A salt is obtained using common salt as a raw material. It is...
Q.) A salt is obtained using common salt asa raw material. It is used in glass, soapand paper industries and also...
Name the substance obtained by the action of chlorine on dry slaked lime.
Q.) Name the substance obtained by the actionof chlorine on dry slaked lime.
(a) Washing soda ...
Which colour of light is mainly scattered by large sized particles?
Q.) Which colour of light is mainly scattered bylarge sized particles?
(a) Blue ...
Which two metals do not corrode easily
Q.) Which two metals do not corrode easily?
(a) Gold and Platinum(b) Gold and Iron(c) Zinc and Iron(d)...
Planets do not twinkle because:
Q.) Planets do not twinkle because:
(a) Planets are not a source of light.
...
Rings of cartilage, in the throat prevents:
Q.) Rings of cartilage, in the throat prevents:
(a) Collapsing of air passage.(b) Entering of food in...
When do the desert plants take up carbon dioxide?
Q.) When do the desert plants take up carbondioxide?
(a) During early morning
(b) During...
Soda acid extinguisher contains the chemical:
Q.) Soda acid extinguisher contains the chemical:
(a) NaHCO3 ...
Which of the following is acidic in nature?
Q.) Which of the following is acidic in nature?
(a) Milk(b) Human blood(c) Lime water(d) Laundary detergents
Which of the following are not ionic compounds?
Q.) Which of the following are not ioniccompounds?
(I) AlCl3 ...