GK Practice Test: Question Set - 07
1. Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products?
- (A) Television
- (B) Refrigerator
- (C) Tube light
- (D) Cooking gas
2. Bell metal is an alloy of
- (A) Nickel and
copper
- (B) Zinc
and copper
- (C) Brass and
nickel
- (D) Tin
and copper
3. Water is a good solvent of ionic salts because
- (A) It has a
high specific heat
- (B) It has no
colour
- (C) It
has a high dipole moment
- (D) It
has a high boiling point
4. The main constituents of pearls are
- (A) Calcium
oxide and ammonium chloride
- (B) Calcium
carbonate and magnesium carbonate
- (C) Aragonite
and conchiolin
- (D) Ammonium
sulphate and sodium carbonate
5. Which of the following is the lightest metal?
- (A) Mercury
- (B) Lithium
- (C) Lead
- (D) Silver
6. Which of the following is an element?
- (A) Ruby
- (B) Sapphire
- (C) Emerald
- (D) Diamond
7. Gypsum is added to cement clinker to
- (A) Increase
the tensile strength of cement
- (B) Decrease
the rate of setting of cement
- (C) Facilitate
the formation of colloidal gel
- (D) Bind
the particles of calcium silicate
8. Which one of the following is the petroleum wax?
- (A) Paraffin wax
- (B) Jonoba wax
- (C) Carnauba wax
- (D) Bees wax
9. Which is/are the important raw material(s) required in cement industry?
- (A) Gypsum and
Clay
- (B) Clay
- (C) Limestone
and Clay
- (D) Limestone
10. Detergents used for cleaning clothes and utensils contain?
- (A) Bicarbonates
- (B) Bismuthates
- (C) Sulphonates
- (D) Nitrates
11. Which of the following is commonly called a 'polyamide'?
- (A) Terylene
- (B) Nylon
- (C) Rayon
- (D) Orlon
12. Epoxy resins are used as
- (A) Detergents
- (B) Insecticides
- (C) Adhesives
- (D) Moth
repellents
13. Wood is the main raw material for the manufacture of
- (A) Paint
- (B) Paper
- (C) Ink
- (D) Gun
powder
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