Advertisements
Advertisements
प्रश्न
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 |
विकल्प
p - 2, q - 1, r - 4, s - 5, t - 6, u - 3
p - 1, q - 2, r - 4, s - 5, t - 6, u - 3
p - 4, q - 1, r - 2, s - 3, t - 5, u - 6
p - 6, q - 5, r - 4, s - 3, t - 1, u - 2
Advertisements
उत्तर
p - 2, q - 1, r - 4, s - 5, t - 6, u - 3
APPEARS IN
संबंधित प्रश्न
RbO2 is _________.
A colourless solid substance (A) on heating evolved CO2 and also gave a white residue, soluble in water. Residue also gave CO2 when treated with dilute HCl.
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
Among the following the least thermally stable is
Why sodium hydroxide is much more water soluble than sodium chloride?
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.
Lithium metal with nitrogen gas
Give the systematic name for the following.
Lye
Give the systematic name for the following.
Soda ash
