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What is the octane number of iso-octane?
General Science SSC CHSL Competitive Exams (SSC, DSSSB, UPSC, RRB, CET, and State Boards) SSC Combined Graduate Level (SSC CGL)
Q. 15 of Quiz-1513 (Que-ID : 3558)
What is the octane number of iso-octane?
- 0
- 1
- 100
- 200
Ans → (c)100
Explanation →
This question is taken from this post → General Science Chemistry Quiz (MCQ) - attemp/practice
More MCQs in - General Science Chemistry Quiz (MCQ)
Q. 1 of Quiz-1513 (Que-ID : 3544)
Which of the following are the most and the least electronegative elements in the periodic table?
- Chlorine and Fluorine
- Hydrogen and Helium
- Carbon and Oxygen
- Fluorine and Caesium
Q. 2 of Quiz-1513 (Que-ID : 3545)
Which compound of mercury is used as antiseptic?
- Mercuric sulphide
- Mercuric oxide
- Mercuric iodide
- Mercuric chloride
Q. 3 of Quiz-1513 (Que-ID : 3546)
Which among the following is major component of Gobar Gas?
- Butane
- Ethane
- Propane
- Methane
Q. 4 of Quiz-1513 (Que-ID : 3547)
Which of the following is the essential element for batteries used in electric cars?
- Lithium
- Sodium
- Magnesuium
- Bromine
Q. 5 of Quiz-1513 (Que-ID : 3548)
Which of the following is the essential element for batteries used in electric cars?
- Lithium
- Sodium
- Magnesuium
- Bromine
Q. 6 of Quiz-1513 (Que-ID : 3549)
Calcium Magnesium Silicate is commonly called as?
- Borax
- Washing soda
- Baking soda
- Asbestos
Q. 7 of Quiz-1513 (Que-ID : 3550)
Which among the following chemicals is used in Photography?
- Pottasium chloride
- Silver bromide
- Sodium bromide
- Magnesium chloride
Q. 8 of Quiz-1513 (Que-ID : 3551)
Which of the following methods is used to purify Titanium metal?
- Mond process
- Hall-Heroult process
- Van Arkel method
- None of the above
Q. 9 of Quiz-1513 (Que-ID : 3552)
Which of the following Group in the modern periodic table contains Halogens?
- Group 17
- Group 18
- Group 1
- Group 2
Q. 10 of Quiz-1513 (Que-ID : 3553)
Which of the following quantum number is also known as orbital angular momentum?
- Magnetic quantum number
- Principal quantum number
- Azimuthal quantum number
- Electron spin quantum number
Q. 11 of Quiz-1513 (Que-ID : 3554)
Which of these principles state that in the ground state of the atoms, the orbitals are filled in order of their increasing energies?
- Afbau principle
- Hund’s rule of multiplicity
- Pauli’s exclusion principle
- None of the above
Q. 12 of Quiz-1513 (Que-ID : 3555)
What is the multiplication factor when the nuclear reactor is said to be critical?
- 0
- 1
- 2
- 10
Q. 13 of Quiz-1513 (Que-ID : 3556)
Which of the following types a PEM cell belongs to?
- Electrolytic cell
- Fuel cell
- Dry cell
- Galvanic cell
Q. 14 of Quiz-1513 (Que-ID : 3557)
Which of the following is not a compound of carbon?
- Cinnabar
- Acetic acid
- Chloroform
- Methane
Q. 16 of Quiz-1513 (Que-ID : 3559)
Which of the following polymer is obtained by the condensation reaction between ethylene glycol and terephthalic acid?
- Terelene
- PMMC
- PVC
- None of the above
Q. 17 of Quiz-1513 (Que-ID : 3560)
Which of these is not a Linear polymer?
- Starch
- Polyethelene
- Nylons
- Polysters
Q. 18 of Quiz-1513 (Que-ID : 3561)
Which of the following metals is involved in the anodisation process?
- Aluminium
- Copper
- Calcium
- Bismuth
Q. 19 of Quiz-1513 (Que-ID : 3562)
Which of these non-metals is commonly used as a general anesthetic?
- Helium
- Fluorine
- Xenon
- Tellurium
Q. 20 of Quiz-1513 (Que-ID : 3563)
Which of the following is produced when wood is burnt in a limited supply of oxygen?
- Charcoal
- Water gas
- Paraffin
- Petroleum
More MCQs In - General Science SSC CHSL Competitive Exams (SSC, DSSSB, UPSC, RRB, CET, and State Boards) SSC Combined Graduate Level (SSC CGL)
Q. 9 of Quiz- (Que-ID : 3552)
Which of the following Group in the modern periodic table contains Halogens?
- Group 17
- Group 18
- Group 1
- Group 2
Q. 5 of Quiz- (Que-ID : 3223)
Which one of the following plants dose not have root – pockets
- Pistia
- Lemna
- Ficus
- Eichhornia
Q. 10 of Quiz- (Que-ID : 3428)
Somatic hybridization can be done by:
- By Protoplast fusion
- By Haploid anther
- By cell culture
- By Pollen culture
Q. 4 of Quiz- (Que-ID : 3347)
Major percentage of India’s Gross Domestic Product is constituted by
- industry
- agriculture
- export
- small scale cottage industry
Q. 8 of Quiz- (Que-ID : 3026)
The stage of rapid cell division just after fertilization is
- Organogenesis
- Cleavage
- Gastrulation
- Growth
Q. 8 of Quiz- (Que-ID : 1897)
In which country the first case of covid-19 delta variant AY 4.2 was found?
- China
- Italy
- Israel
- England
Q. 11 of Quiz- (Que-ID : 2829)
The wall of the ovary forms
- pericarp
- fruit wall
- fruit
- both (a) and (b).
Directions : (For Q.No. 3)
In a Class of five Students P, Q, R, S, and T, only one student is known to have copied in the exam. The disciplinary committee has investigated the situation and recorded the statements from the students as given below-
Statement of P: R has copied in the exam.
Statement of Q: S has copied in the exam.
Statement of R: P did not copy in the exam.
Statement of S: Only one of us is telling the truth.
Statement of T: R is telling the truth,
The investigating team had authentic information that S never lies.
Based on the information given above, the person who has copied in the exam is
- R
- P
- Q
- T
Q. 28 of Quiz- (Que-ID : 599)
Who is regarded as the father of modern chemistry ?
- Rutherford
- Einstein
- Lavoisier
- C. V. Raman
Q. 14 of Quiz- (Que-ID : 3557)
Which of the following is not a compound of carbon?
- Cinnabar
- Acetic acid
- Chloroform
- Methane
Q. 7 of Quiz- (Que-ID : 3400)
Significance of ‘heat shock’ method in bacterial transformation is to facilitate
- binding of DNA to the cell wall
- uptake of DNA through membrane transport proteins
- uptake of DNA through transient pores in the bacterial cell wall
- expression of antibiotic resistance gene
Q. 9 of Quiz- (Que-ID : 2852)
Embryo sac is to ovule as _______ is to an anther.
- Stamen
- filament
- pollen grain
- androecium
Q. 9 of Quiz- (Que-ID : 4032)
Raja Rammohan Roy was the founder of
- Arya Samaj
- Brahmo Samaj
- Ram Krishan Mission
- Prarthna Samaj
Q. 23 of Quiz- (Que-ID : 3391)
Biogas is produced by
- aerobic breakdown of biomass
- anaerobic breakdown of biomass
- with the help of methanogenic bacteria
- both (b) and (c)
Q. 4 of Quiz- (Que-ID : 3397)
Plasmids in bacterial cells are
- extra-chromosomal DNA, which cannot replicate
- extra-chromosomal DNA, which can . self-replicate
- extra DNA associated with the genome
- extra DNA, associated with the genome, but cannot replicate.
Q. 14 of Quiz- (Que-ID : 3182)
Spot the salivary gland in the following :
- sublingual
- adrenal
- Brunners
- lacrimal
Q. 12 of Quiz- (Que-ID : 2955)
The amino acid attaches to the tRNA at its
- 5’- end
- 3’ – end
- anticodon site
- DHUloop.
Q. 4 of Quiz- (Que-ID : 3971)
By whom and when did the idea of a constituent assembly was first proposed
- Dr. Sachinand Sinha, 1949
- Dr. Rajendra Prasad, 1949
- Dr. B.R Ambedkar, 1946
- M.N. Roy, 1934
Q. 4 of Quiz- (Que-ID : 3272)
The seedless vascular plants whose sporophytes are larger than their small and independent gametophytes are
- Pteridophytes
- Angiosperms
- Gymnosperms
- None of these
Q. 12 of Quiz- (Que-ID : 3355)
Crossing of individuals of two different species to produce a hybrid is called
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- intervarietal hybridisation
- intergeneric hybridisation
- intravarietal hybrididisation
Q. 10 of Quiz- (Que-ID : 2653)
What is the inspiratory reserve volume
- 2500-3000 ml
- 500 ml
- 1000-1100 ml
- None of the above
Q. 22 of Quiz- (Que-ID : 3015)
Division of nucleus without being followed by cytokinesis results into
- Phargmoplast
- Polyploidy
- Uninucleate condition
- Multinucleate condition
Q. 5 of Quiz- (Que-ID : 2648)
Thoracic chamber is dorsally formed by
- Vertebral column
- Sternum
- Ribs
- Diaphragm
Q. 15 of Quiz- (Que-ID : 2883)
Causes for increased population growth in india is/are
- increase in birth rate
- decrease in death rate
- lack of education
- all of these.
Q. 12 of Quiz- (Que-ID : 4611)
Which word does NOT belong with the others?
- mayonnaise
- dill
- basil
- parsley
Q. 2 of Quiz- (Que-ID : 756)
Which is the first National park established in India:
Which is the first National park established in India:
- Jim Corbet National Park
- Kanha National Park
- Periyar National Park
- Kanziranga National Park
Q. 13 of Quiz- (Que-ID : 584)
In a freezer ice cube will be formed more quickly in trays made of
- rubber
- plastic
- aluminium
- wood
Q. 22 of Quiz- (Que-ID : 2665)
Whose role in respiratory rhythm regulation is insignificant
- Co2
- O2
- Both a and b
- None of the above
Q. 4 of Quiz- (Que-ID : 2947)
Who amongst the following scientist had no contribution in the development of the double helix model for the structure of DN A ?
- Rosalind Franklin
- Maurice Wilkins
- Erwin Chargaff
- Meselson and Stahl
Q. 4 of Quiz- (Que-ID : 3955)
Which layer is considered ideal for flying off aircraft?
- Troposphere
- Stratosphere
- Exosphere
- Ionosphere
Q. 4 of Quiz- (Que-ID : 3372)
Organic farming includes
- use of fertilisers and pesticides of biological origin
- IPM (Integrated Pest Management)
- locally developed pest resistant varieties
- all of these
Q. 9 of Quiz- (Que-ID : 1962)
Who appoints the Chairman of the UPSC?
- President
- Speaker of Lok sabha
- Chief Justice of India
- Prime Minister
Q. 18 of Quiz- (Que-ID : 589)
Which one of the following is the largest composition in biogas ?
- Carbon dioxide
- Methane
- Hydrogen
- Hydrogen sulphide
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Q. 9 of Quiz- (Que-ID : 2583)AB 123 : CD 456
- PQ 234 : ST 567
- JK 345 : LM 678
- EF 345 : GH 687
- PQ 456 : SR 789
Q. 41 of Quiz- (Que-ID : 612)
The exposed skin of our body starts cracking in winter season due to
- rainy season,
- high humidity
- summer season
- low humidity
Q. 1 of Quiz- (Que-ID : 713)
Which Is Known As The Power House Of The Cell?
- Mitochondria
- Ribosome
- Nucleus
- Golgi apparatus
Q. 1 of Quiz- (Que-ID : 4001)
Who is considered as the father of economics?
- Alfred Marshall
- Adam Smith
- David Ricardo
- Esther Duflo
Q. 26 of Quiz- (Que-ID : 4625)
Find the missing group of letters in the following series: BC, FGH, LMNO,______
- UVXWY
- TUVWX
- STUVW
- RSTUV
Q. 3 of Quiz- (Que-ID : 2971)
Which among the following is not uricootelic
- Mammal
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- Birds
- Snails
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