Which is the amount of chlorine evolved when 2 amperes of current is passed for
Which is the amount of chlorine evolved when 2 amperes of current is passed for 30 minutes in an aqueous…
7 years ago
Chemistry
How many g of silver will be displaced from a solution of AgNO₃ by 4 g of mag
How many g of silver will be displaced from a solution of AgNO₃ by 4 g of magnesium Options (a)…
7 years ago
The limiting radius ratio for tetrahedral shape is
The limiting radius ratio for tetrahedral shape is Options (a) 0 to 0.153 (b) 0.225 to 0.414 (c) 0.155 to…
7 years ago
The fcc crystal contains how many atoms in each unit cell
The fcc crystal contains how many atoms in each unit cell Options (a) 6 (b) 8 (c) 4 (d) 5…
7 years ago
When cold potassium permanganate (KMnO₄) is added to ethylene gives
When cold potassium permanganate (KMnO₄) is added to ethylene gives Options (a) methanol (b) ethanol (c) glycerol (d) ethylene glycol…
7 years ago
Optical activity is measured by
Optical activity is measured by Options (a) spectrograph (b) Polarimeter (c) tracer technique (d) refractometer Correct Answer: PolarimeterExplanation:Optically active substances…
7 years ago
The fractional distillation is used in
The fractional distillation is used in Options (a) petroleum (b) crude oil (c) coal tar (d) all of these Correct…
7 years ago
If 0.2 gram of an organic compound containing carbon, hydrogen and oxygen
If 0.2 gram of an organic compound containing carbon, hydrogen and oxygen on combustion , yielded 0.147 gram carbon dioxide…
7 years ago
Baking soda or baking powder is
Baking soda or baking powder is Options (a) washing soda (b) caustic soda (c) soda ash (d) sodium bicarbonate Correct…
7 years ago
How much quick lime can be obtained from 25g of CaCO₃?
How much quick lime can be obtained from 25g of CaCO₃? Options (a) 56 g (b) 14 g (c) 60…
7 years ago