Which one of the following does not wet the walls of the glass vessel in which it is kept?
- (A) Water
- (B) Alcohol
- (C) Mercury
- (D) Lead
- (C) Mercury
Water which gives lather with soap easily is called:
- (A) Hard water
- (B) Soft water
- (C) Heavy water
- (D) Distilled water
- (B) Soft water
Which of the following is the most fire resistant?
- (A) Asbestos
- (B) Gypsum
- (C) Aluminum
- (D) Silicon
- (A) Asbestos
Oxidation is a process which involves?
- (A) Gain in electrons
- (B) Gain of hydrogen
- (C) Loss of electrons
- (D) Addition of atoms
- (C) Loss of electrons
Sulfur dioxide bleaches coloring matter by:
- (A) Oxidation
- (B) Dehydration
- (C) Reduction
- (D) Decomposition
- (C) Reduction
The process by which kidney stones are crushed with shock waves is called:
- (A) Laparoscopy
- (B) Biopsy
- (C) Dementia
- (D) Lithotripsy
- (D) Lithotripsy
Raw material used for manufacture of glass and cement is:
- (A) Limestone
- (B) Charcoal
- (C) Clay
- (D) Washing Soda
- (A) Limestone
Which of the following is not a raw material used for the manufacture of ordinary glass?
- (A) Iron oxide
- (B) Soda ash
- (C) Silica
- (D) Limestone
- (A) Iron oxide
Natural rubber is a polymer of:
- (A) Isoprene
- (B) Styrene
- (C) Ethylene
- (D) Butadiene
- (A) Isoprene
In vulcanization, natural rubber is heated with:
- (A) Carbon
- (B) Silicon
- (C) Sulfur
- (D) Phosphorus
- (C) Sulfur
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