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
The formula of the sulphate of an element X is X2(SO4)3. The formula of nitride of element X will be :
Match the symbols of metallic elements – with their correct combining power or capacity.
(a) K
(b) Zn
(c) Al
(d) Na
(e) Ca
Combining power or capacity – A : 3 ; B : 2 ; C : 1. (positive valencies)
Give the symbol of the following element:
Calcium
Give the symbol of the following element:
Chlorine [chloride]
Write the radical of the following valency:
magnesium
Write the radical of the following valency:
Sulphite
Write the radical of the following valency:
Phosphate
Give the formula of the following acid:
Sulphuric
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).
Permanganate
