Advertisements
Advertisements
प्रश्न
Give a balanced equation for the conversion of an ammonium salt to a basic gas.
Advertisements
उत्तर
Ammonium salt `["NH"_4"Cl"]` on heating produces `"NH"_3("g")` which is a basic gas
\[\ce{NH4Cl⇌[heat][cool]\underset{\text{(ammonia gas)}}{NH3} + HCl}\]
APPEARS IN
संबंधित प्रश्न
FILL IN THE BLANK
Positively charged ions are called ........
TRUE \ FALSE
Weak electrolytes dissociate partially in their aqueous or fused state.
TRUE \ FALSE
Evaporation of water is a physical change. True or false ?
Define a photochemical reaction.
When hydrogen burns in oxygen, water is formed; when electricity is passed through water, hydrogen and oxygen are given out. Name the type of chemical change involved in the two cases.
Name: Gas with rotten egg smell.
Give a chemical test to distinguish between the following gases.
H2 and CO2
State the following reaction represent oxidation or reduction.
\[\ce{Cl- ->Cl}\]
Analogy:
H2O: Water:: NaCl: ______.
Classify each of the following, as a physical or a chemical change. Give reasons.
(a) Drying of a shirt in the sun.
(b) Rising of hot air over a radiator.
(c) Burning of kerosene in a lantern.
(d) Change the colour of black tea by adding lemon juice to it.
(e) Churning of milk cream to get butter.
