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
RbO2 is _________.
In case of alkali metal halides, the ionic character increases in the order
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 |
Which is the correct sequence of solubility of carbonates of alkaline earth metals?
Write the chemical equations for the reactions involved in the Solvay process of preparation of sodium carbonate.
An alkali metal (x) forms a hydrated sulphate, \[\ce{X2SO4.10H2O}\]. Is the metal more likely to be sodium (or) potassium?
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
