A. 1 gm
B. 0.35 gms
C. 3.5 gms
D. 35 gms
✅ The correct answer is option D.
Gypsum is added to Cement so that, _________?
A. setting of cement can be fastened
B. setting of cement can be slowed
C. Cement strength can be improved
D. Cement strength can be controlled
✅ The correct answer is option B.
The color ―Carmine‖ is a shade of which among the following colors?
A. Red
B. Blue
C. Yellow
D. Green
✅ The correct answer is option A.
Consider the following: Copper Zinc Tin Gun Metal is the alloy of which among the above?
A. 1 & 2
B. 1 & 3
C. 2 & 3
D. 1, 2 & 3
✅ The correct answer is option D.
Which among the following makes Chile saltpetre different from saltpetre?
A. Nitrate
B. Sodium
C. Magnesium
D. Calcium
✅ The correct answer is option B.
Which among the following is ―Fool‘s Gold‖ ?
A. Copper Sulphate
B. Iron Sulfide
C. Brass
D. Silver Bromide
✅ The correct answer is option B.
When a piece of quicklime is dipped in water, it gives bubbles. This bubbling is due to which of the following?
A. Oxygen
B. Carbon Dioxide
C. Water Vapour
D. Hydrogen
✅ The correct answer is option C.
Which among the following acid is used to ascertain, whether pure Ghee has been adulterated with Vanaspati or Margarine?
A. Sulphuric Acid
B. Nitric Acid
C. Hydrochloric Acid
D. Boric Acid
✅ The correct answer is option C.
Mizoroki-Heck reaction is catalyzed by which of the following metals?
A. Rhodium
B. Sodium
C. Palladium
D. Osmium
✅ The correct answer is option C.
Which among the following is used in preparing windows for X-Ray Tubes ?
A. Barium
B. Beryllium
C. Magnesium
D. Calcium
✅ The correct answer is option B.