Advertisements
Advertisements
प्रश्न
Select the correct answer from the choice in the bracket.
The formula of caustic soda.
पर्याय
KOH
Ca(OH)
NaOH
Advertisements
उत्तर
NaOH
APPEARS IN
संबंधित प्रश्न
Write the names of following elements Na, C, Kr, U, Ra, Fe, Co.
Select elements and compounds from the following list: Iron, plaster of paris, chalk, common salt, copper, aluminium, calcium oxide, cane sugar, carbon, silica, sodium sulphate, uranium, potassium carbonate, silver, carbon dioxide.
Two elements X and Y have valencies of 5 and 3, and 3 and 2, respectively. The elements X and Y are most likely to be respectively :
Give the symbol of the following element:
Platinum
Write the radical of the following valency:
magnesium
Write the chemical formula of the following:
Sodium bromide
Give the formula of the following gas:
Hydrogen chloride
State the valency of the following metallic element and write symbol with the valency
Magnesium
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Bisulphate
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Sulphate
