Chemistry Solved Questions and Answers Set 11

January 25, 2019 entranciology Chemistry Solved Questions and Answers Sets, Solved Questions and Answers Sets For Competitive Exams 0

Q.1:- The Hydrogen halide with the highest boiling point is ?

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

Q.2:- Most commonly used beaching agent is ?

  1. Alcohol
  2. Chlorine
  3. Sodium Chloride
  4. Carbon Dioxide

Q.3:- Clathrates are ?

  1. Complex compounds
  2. Non-Stoichiometric compounds
  3. Normal salts
  4. Interstitial compounds

Q.4:- Which one of the following is a mixed fertilizers ?

  1. Urea
  2. CAN
  3. Ammonium Sulphate
  4. NPK

Q.5:- Methanol and acetone can be separated by ?

  1. Fractional distillation
  2. Distillation
  3. Steam distillation
  4. Vacuum distillation

Q.6:- The hybridization present in C2H2 is ?

  1. Sp
  2. Sp2
  3. Sp3
  4. Dsp2

Q.7:- The scientist who was responsible for the rejection of vital force theory ?

  1. Berzelius
  2. Wholer
  3. Avogadro
  4. Lavoisier

Q.8:- The Nitrogen percentage is the highest in the fertilizer ?

  1. Ammonium Nitrate
  2. Ammonium Sulphate
  3. Calcium Cyanamide
  4. Urea
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Q.9:- Aniline is separated from a mixture by ?

  1. Fractional crystallisation
  2. Fractional distillation
  3. Vacuum distillation
  4. Steam distillation

Q.10:- Which of the following elements is found in all organic compounds ?

  1. Carbon
  2. Calcium
  3. Nitrogen
  4. Oxygen

Q.11:- Chlorofluoro carbons are widely used in ?

  1. Micro ovens
  2. Solar heaters
  3. Washing machines
  4. Refrigerators

Q.12:- A sample of chloroform before using as an anaesthetic, is tested by ?

  1. Fehling’s solution
  2. Ammonical cuprous
  3. Ammonical silver nitrate solution
  4. Silver nitrate solution after boiling with alcoholic KOH

Q.13:- Urotropine is formed by the action of ammonia on ?

  1. Acetaldehyde
  2. Formaldehyde
  3. Acetone
  4. Phenol

Q.14:- When ether is exposed in air for sometime, an explosive substance is produced , the substance is ?

  1. Peroxide
  2. TNT
  3. Oxide
  4. Superoxide
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Q.15:- At room temperature, formaldehyde is ?

  1. A gas
  2. A liquid
  3. A solid
  4. Not known

Q.16:- Fermentation is an / a ?

  1. Endothermic Reaction
  2. Exothermic Reaction
  3. Polymerisation reaction
  4. Condensation Reaction

Q.17:- The carbohydrate which serves as a reserve glucose in body is ?

  1. Sucrose
  2. Starch
  3. Glycogen
  4. Fructose

Q.18:- Insulin is secreted from ?

  1. Thyroid
  2. Pancreas
  3. Adrenal Body
  4. None of the above

Q.19:- The number of amino acids which form proteins in nature are about ?

  1. 6
  2. 10
  3. 15
  4. 20

Q.20:- Which of the following Carbohydrates is most abundant in nature ?

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

Q.21:- Which of the following is an active component of oil of clove ?

  1. Methanol
  2. Eugenol
  3. Benzaldehyde
  4. Methanol

Q.22:- Lactose on hydrolysis gives ?

  1. Glucose
  2. Fructose
  3. Fructose + Glucose
  4. Glucose + Galactose
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Q.23:- What is the bond between two amino acids in a protein called ?

  1. Ester Bond
  2. Glycosidic Bond
  3. Peptide Bond
  4. Phosphodiester Bond

Q.24:- Aspirin is ?

  1. Antibiotic
  2. Sedative
  3. Antipyretic
  4. Antiseptic

Q.25:- DNA multiplication is called ?

  1. Translation
  2. Transduction
  3. Transcription
  4. Replication

 

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