Advertisements
Advertisements
प्रश्न
The compound (X) on heating gives a colourless gas and a residue that is dissolved in water to obtain (B). Excess of CO2 is bubbled through aqueous solution of B, C is formed. Solid (C) on heating gives back X. (B) is
विकल्प
CaCO3
Ca(OH)2
Na2CO3
NaHCO3
Advertisements
उत्तर
Ca(OH)2
APPEARS IN
संबंधित प्रश्न
Which of the following compounds will not evolve H2 gas on reaction with alkali metals?
Sodium is stored in _________.
In which process, fused sodium hydroxide is electrolysed for the extraction of sodium?
Match the flame colours of the alkali and alkaline earth metal salts in the bunsen burner
| (p) Sodium | (1) Brick red |
| (q) Calcium | (2) Yellow |
| (r) Barium | (3) Violet |
| (s) Strontium | (4) Apple green |
| (t) Cesium | (5) Crimson red |
| (u) Potassium | (6) Blue |
Write the chemical equations for the reactions involved in the Solvay process of preparation of sodium carbonate.
Write a balanced chemical equation for the following chemical reaction.
Lithium metal with nitrogen gas
Write a balanced chemical equation for the following chemical reaction.
heating solid sodium bicarbonate
Give the systematic name for the following.
Lye
Give the systematic name for the following.
Soda ash
Give the systematic name for the following.
Trona
