Questions from Chemistry
11. Coal is an example of?
(A) Igneous rocks
(B) Metamorphic rocks
(C) Sedimentary rocks
(D) None of theabove
12. Black cotton soils (or Regur soils) are formed due to the disintegration of?
(A) Granite
(B) Basalt
(C) Charcoal
(D) Rhyolite
13. Petrology deals with which of the following?
(A) Study of the petroleum products
(B) Study of petroleum-related market economy
(C) Study of rocks in the earth's crust
(D) Study of the formation of soils
14. Which of the following fertilisers leaves acidic residue?
(A) Urea
(B) Ammonium Phosphate
(C) Ammonium sulphate
(D) Sulphate of potash
15. Which of the following metals can displace hydrogen from dilute acids ?
(A) Zinc
(B) Gold
(C) Copper
(D) Silver
16. The common constituent of aminoacids, proteins and nucleic acids are
(A) Sulphur
(B) Silver
(C) Gold
(D) Nitrogen
17. Containers for carrying strong acids are made of
(A) Platinum
(B) brass
(C) copper
(D) lead
18. Which compound is known as carbolic acid?
(A) Benzene
(B) Toluene
(C) Phenol
(D) None of these
19. Amino acids are the building blocks of
(A) Vitamins
(B) starch
(C) proteins
(D) lipids
20. The acid that can be used as a hypnotic is
(A) Boric acid
(B) Barbituric acid
(C) Phosphoric acid
(D) Benzoic acid
