Chemistry MCQs Online Quiz Test 41

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NTS Chemistry MCQs For SST Lecturer Jobs Test

Q.1: Which one of the following acids is present in lemon juice ?

  1. Citric acid
  2. Benzoic acid
  3. Tartaric acid
  4. Oxalic acid

A

Q.2: Which one of following amino acid is neither acidic nor a basic in nature ?

  1. Lysine
  2. Histidine
  3. Proline
  4. Glutamic acid

C

Q.3: In the formation of Zwitter ions proton goes from———-?

  1. Carboxyl to amino group
  2. Amino to carboxyl group
  3. Amino group only
  4. Carboxyl group only

A

Q.4: The organic acid that does not has COOH group is———-?

  1. phthalic acid
  2. carbolic acid
  3. Maleic acid
  4. Succinic acid

B

Q.5: The test which is used for the identification of amino-acids is———?

  1. Ninhydrin test
  2. Molisch test
  3. Biuretic test
  4. Benedict test

A

Q.6: Carboxylic acid reacts with ammonia to form ammonium salts which on heating produces——–?

  1. CO2
  2. Alkane
  3. Ester
  4. Acidamide

D

Q.7: The complete reduction carboxylic acid results in the formation of——–?

  1. Alkyne
  2. Alkene
  3. Alkane
  4. Alcohol

C

Q.8: Picric acid is———?

  1. monocarboxylc acid
  2. dicarboxylic acid
  3. aromatic carboxylic acid
  4. none of these

D

Q.9: Essential amino acids are———-?

  1. 5
  2. 10
  3. 15
  4. 20

B

Q.10: Which of the following is not a fatty acid ?

  1. Propanoic acid
  2. Acetic acid
  3. Phthalic acid
  4. Butanoic acid

C