Advertisements
Advertisements
Question
Give the formula of the following gas:
Ammonia
Advertisements
Solution
Ammonia — NH3
APPEARS IN
RELATED QUESTIONS
Why is the symbol S for sulphur, but Na for sodium and Si for silicon?
Match the symbols of – radicals – with their correct combining power or capacity, (valency).
(a) OH
(b) So4
(c) No3
(d) Co3
Combining power or capacity – A : 3; B : 2; C : 1. (negative valencies)
Select the correct answer from the choice given below.
The symbol of mercury is
Write the chemical formula of the following:
aluminium chloride
Write the chemical formula of the following:
zinc oxide
Give the formula of the following gas:
Hydrogen chloride
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Lead
write symbol with the variable valency
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).
Phosphate
What does the symbol '(g)' present in a chemical equation, mean?
The first letter of a symbol is always written as a ______ letter and the second letter as a ______ letter.
