Practice Gk questions set 3 - general science mcq Online Quiz (set-1) For All Competitive Exams

Q-1)   The general formula CnH2nO2 could be for open chain

(a)

(b)

(c)

(d)

Explanation:

General formula


Q-2)   If a hydrocarbon has any double bond, it is

(a)

(b)

(c)

(d)

Explanation:

Alkenes have double bond.


Q-3)   On the basis of mode of formation, polymers can be classified
  1. as addition polymers
  2. as condensation polymers
  3. as copolymers
  4. as synthetic polymers
Choose the correct option from the codes given below:

(a)

(b)

(c)

(d)


Q-4)   The functional group present in CH3COOC2H5 is

(a)

(b)

(c)

(d)

Explanation:


Q-5)   Mineral acids are stronger acids than carboxylic acids because
  1. mineral acids are completely ionized
  2. carboxylic acids are completely ionized
  3. mineral acids are partially ionized
  4. carboxylic acids are partially ionized

(a)

(b)

(c)

(d)


Q-6)   The flavour of apple is mainly due to which one of the following?

(a)

(b)

(c)

(d)


Q-7)   The enzyme involved in the oxidation of ethanol to form vinegar is

(a)

(b)

(c)

(d)


Q-8)   Identify the enzyme which converts glucose to ethyl alcohol.

(a)

(b)

(c)

(d)


Q-9)   Which of the following have affinity to dye nylons ?
  1. Basic dyes
  2. Ingrain dyes
  3. Direct dyes
  4. Disperse dyes
Choose the correct option from the codes given below:

(a)

(b)

(c)

(d)


Q-10)   On the basis of following features identify the correct option A. Drinks containing ethanol B. These drinks are major source of income to government

(a)

(b)

(c)

(d)