Chemistry Solved Questions and Answers Set 17

January 26, 2019 entranciology Chemistry Solved Questions and Answers Sets, Solved Questions and Answers Sets For Competitive Exams 0

Q.1:- Copper wire test of halogens is known as ?

  1. Liebig’s test
  2. Lassaigne’s test
  3. Fusion test
  4. Beilstein’s test

Q.2:- Optical isomerism is shown by ?

  1. Oxalic acid
  2. Benzoic acid
  3. Acetic acid
  4. Lactic acid

Q.3:- Saturated hydrocarbons undergo ?

  1. Substitution reaction
  2. Addition reactions
  3. Polymerisation reaction
  4. Condensation reactions

Q.4:- Chemical name of Gammaxane is ?

  1. Aniline
  2. Toulene
  3. Benzene Hexachloride
  4. Chloro Benzene

Q.5:- The explosive Nitroglycerine is ?

  1. An ester
  2. A salt
  3. A soap
  4. Complex compound

Q.6:- Denatured spirit is a mixture of Ethyl alcohol, methyl alcohol and ?

  1. Acetic acid
  2. Pyridine
  3. Acetone
  4. Water

Q.7:- Ether show isomerism with ?

  1. Alcohol
  2. Acid
  3. Halide
  4. Aldehyde

Q.8:- Which is a tribasic acid ?

  1. Succinic Acid
  2. Tartaric Acid
  3. Citric Acid
  4. Valeric Acid

Q.9:- Which of the following compounds caused tragedy of Bhopal in 1984 ?

  1. Phosphene
  2. Methyl Isocyanate
  3. Carbon Monoxide
  4. Methyl Cyanate
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Q.10:- Synthetic Ethanol is produced by reacting Ethene (in presence of phosphoric acid) with ?

  1. Hydrogen
  2. Potassium Dichromate
  3. Oxygen
  4. Water (steam)

Q.11:- Which one is disaccharide ?

  1. Starch
  2. Lactose
  3. Cellulose
  4. Fructose

Q.12:- The energy stored in the cells of a living body is in the form of ?

  1. Fats
  2. Glucose
  3. ATP
  4. Proteins

Q.13:- Greenhouse effect is accelerated by ?

  1. Deforestation
  2. Rapid industrialization
  3. Increased transportation activity
  4. All of the above

Q.14:- Smog is ?

  1. Nothing but black smoke
  2. A combination of smoke and fog
  3. A liquid particle resulting from vapour condensation
  4. A solid particle, e.g., flyash

Q.15:- ‘Freon’ used as refrigerants is chemically ?

  1. Chlorinated Hydrocarbon
  2. Fluorinated Hydrocarbon
  3. Chlorofluoro Hydrocarbon
  4. Fluorinated Aromatic Compound
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Q.16:- Bar is a unit of ?

  1. Pressure
  2. Force
  3. Energy
  4. Frequency

Q.17:- Which one of the following elements is the poorest conductor of heat ?

  1. Sodium
  2. Lead
  3. Zinc
  4. Mercury

Q.18:- Which orbital is dumbbell shaped ?

  1. S-orbital
  2. P-orbital
  3. D-orbital
  4. F-orbital

Q.19:- Propagation of light quanta may be described by ?

  1. Photons
  2. Protons
  3. Neutrons
  4. Electrons

Q.20:- Heavy water is used as a coolant in nuclear reactors. Heavy water is ?

  1. Water rich in minerals
  2. Ozonised water
  3. Water containing minerals of heavy metal
  4. Water containing heavy isotope of Hydrogen

Q.21:- The compound which as covalent bond is ?

  1. CaCl2
  2. CaO
  3. N2
  4. Na2O

Q.22:- Which one has Hydrogen bonding ?

  1. HCl
  2. HBr
  3. HF
  4. HI

Q.23:- Oxidation state of Mn in acidic KMnO4 change from ?

  1. +7 to +3
  2. +7 to +2
  3. +7 to +6
  4. +1
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Q.24:- In neutralization reaction product is ?

  1. Acid
  2. Base
  3. Salt & Water
  4. None

Q.25:- Van Der Waals’s equation explains the behaviour of ?

  1. Ideal gases
  2. Real gases
  3. Mixture of gases
  4. Diatomic gases

 

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