EASY
9th ICSE
IMPORTANT
Earn 100

Select the basic and acidic radical in the following compound.

ZnCO3

Important Questions on The Language of Chemistry

EASY
9th ICSE
IMPORTANT

Select the basic and acidic radical in the following compound.

MgOH2

EASY
9th ICSE
IMPORTANT
Write chemical formulae of sulphates of aluminium, ammonium, and zinc.
EASY
9th ICSE
IMPORTANT
The valency of an element A is 3 and that of B is 2. Write the formula of the compound formed by combination of A and B.
EASY
9th ICSE
IMPORTANT

Match the following:

Compound Formula

(a) Boric acid

(i)   NaOH

(b) Phosphoric acid

(ii)  SiO2

(c) Nitrous acid

(iii)   Na2CO3

(d) Nitric acid

(iv)    KOH

(e) Sulphurous acid

(v)     CaCO3

(f) Sulphuric acid

(vi)    NaHCO3

(g) Hydrochloric acid

(vii)        H2S

(h) Silica(sand)

(viii)       H2O

(i) Caustic soda (Sodium Hydroxide)

(ix)        PH3

(j) Caustic potash(Potassium Hydroxide)

(x)         CH4

(k) Washing soda (sodium Carbonate)

(xi)        NH3

(l) Baking soda (Sodium Bicarbonate)

(xii)       HCl

(m) Lime stone (Calcium Carbonate)

(xiii)      H2SO3  

(n) Water

(xiv)     HNO3

(o) Hydrogen sulphide

(xv)       HNO2

(p) Ammonia

(xvi)     H3BO3

(q) Phosphine

(xvii)    H3PO4

(r) Methane

(xviii)    H2SO4
EASY
9th ICSE
IMPORTANT

Write the basic radical and acid radical of the following and then write the chemical formula of this compound.

Barium sulphate  

EASY
9th ICSE
IMPORTANT

Write the basic radical and acid radical of the following and then write the chemical formula of this compound.

Bismuth nitrate

EASY
9th ICSE
IMPORTANT

Write the basic radical and acid radical of the following and then write the chemical formula of this compound.

Calcium bromide

EASY
9th ICSE
IMPORTANT

Write the basic radical and acid radical of the following and then write the chemical formula of this compound.

Ferrous sulphide