The symbol used for “Silver” is:
- (A) Hg
- (B) Fe
- (C) Na
- (D) Ag
- (D) Ag
Which of the following is used for silvering of mirrors?
- (A) Pitchblende
- (B) Silver nitrate
- (C) Silver oxide
- (D) Zinc nitrate
- (B) Silver nitrate
Raw materials used for manufacturing of glass are:
- (A) Sand, Soda and Limestone
- (B) Sand, Charcoal and Soda
- (C) Sand, Sulfur and Soda
- (D) Limestone, Charcoal and Sulfur
- (A) Sand, Soda and Limestone
Which of the following is the best conductor of heat?
- (A) Mercury
- (B) Water
- (C) Leather
- (D) Benzene
- (A) Mercury
The coil in an electric heater is made up of:
- (A) Iron
- (B) Copper
- (C) Nichrome
- (D) Tungsten
- (C) Nichrome
Which one of the following does not wet the walls of glass vessel in which it is kept?
- (A) Water
- (B) Alcohol
- (C) Mercury
- (D) Lithium
- (C) Mercury
The symbol used for “Mercury” is:
- (A) Fe
- (B) Hg
- (C) Na
- (D) Au
- (B) Hg
The substance coated on plastic tape-recorder tapes is:
- (A) Zinc oxide
- (B) Iron oxide
- (C) Iron sulfate
- (D) Manganese oxide
- (B) Iron oxide
Which of the following substances is widely used as inhalation anesthetic?
- (A) Ammonia
- (B) Nitrogen Oxide
- (C) Nitrogen
- (D) Nitrogen peroxide
- (B) Nitrogen Oxide
Ornamental gold contains:
- (A) Copper
- (B) Tin
- (C) Silver
- (D) Manganese
- (A) Copper
Pages: Page 1, Page 2, Page 3, Page 4, Page 5, Page 6, Page 7, Page 8, Page 9, Page 10, Page 11, Page 12, Page 13, Page 14, Page 15, Page 16, Page 17, Page 18, Page 19, Page 20, Page 21, Page 22, Page 23, Page 24, Page 25, Page 26, Page 27, Page 28, Page 29, Page 30, Page 31, Page 32, Page 33, Page 34, Page 35, Page 36, Page 37, Page 38, Page 39, Page 40, Page 41