Practice Questions set 4 - general science mcq Online Quiz (set-1) For All Competitive Exams

Q-1)   Which one of the following fuels causes minimum air pollution?

(a)

(b)

(c)

(d)


Q-2)   An element X has four electrons in its outermost orbit. What will be the formula of its compounds with hydrogen?

(a)

(b)

(c)

(d)


Q-3)   Consider the following statements. Glass can be etched or scratched by
  1. Diamond
  2. Hydrofluoric Acid
  3. Aquarregia
  4. Conc. Sulphuric Acid
Which of these statements are correct?

(a)

(b)

(c)

(d)


Q-4)   The soil in which insectivorous plants grow is deficient in

(a)

(b)

(c)

(d)


Q-5)   Which one of the following materials is strongest?

(a)

(b)

(c)

(d)


Q-6)   Aluminium surface is often ‘Anodized’. This means the deposition of a layer of

(a)

(b)

(c)

(d)


Q-7)   Combination of which substance in the alloy renders stainless steel non-magnetic?

(a)

(b)

(c)

(d)


Q-8)   Which of the following do not consist carbon?

(a)

(b)

(c)

(d)


Q-9)   The gas used in the manufacture of Vanaspati Ghee from Vanaspati Oil is

(a)

(b)

(c)

(d)


Q-10)   The foul smell of dead fish is due to the compound

(a)

(b)

(c)

(d)