Question

14. Match the following: (Refer common names in the
beginning of the book)
Compound
Formula
(a) Boric acid
(1) NaOH
(b) Phosphoric acid
(ii) SiO2
(c) Nitrous acid
(iii) Na,Co,
(d) Nitric acid
(iv) KOH
(e) Sulphurous acid
(v) CaCO3
(f) Sulphuric acid
(vi) NaHCO3
(g) Hydrochloric acid (vii) HAS
(h) Silica (sand)
(viii) H.O
(1) Caustic soda
(ix) PH
(sodium hydroxide)
0) Caustic potash
(x) CH
(potassium hydroxide)
(k) Washing soda
(x) NH
(sodium carbonate)
(1) Baking soda
(xii) HCI
(sodium bicarbonate)
(m) Lime stone.
(xiii) H,SO3
(calcium carbonate)
(n) Water
(xiv) HNO
(0) Hydrogen sulphide (xv) HNO2
(p) Ammonia
(xvi) H, BO
(9) Phosphine
(xvii) H,PO
(r) Methane
(xviii) H. SO
(k) Stannic phosphate (1) Nickel bisulphate
(m) Potassium manganate (n) Potassium ferrocyanide
15. Write the chemical names of the following compounds;
(a) Caz(PO4)2
(b) K2CO3
(c) K MnO4
(d) Mn,(BO3)2
(e) Mg (HCO3)2
(f) Na Fe(CN)
(g) Ba (ClO3)2
(h) Ag S03
(i) (CH,C00) Pb (1) Na Sioz
16. Give the names of the following compounds.
(a) KCIO
(b) KCIO,
(c) KCIO
(d) KCIO
17. Complete the following statements by selecting the
correct option:
(a) The formula of a compound represents
(i) an atom (ii) a particle
(iii) a molecule (iv) a combination.
(b) The correct formula of aluminium oxide is
(i) AlO3 (ii) AIO2 (iii) A1,03 (iv) Al,02
(c) The valency of nitrogen in nitrogen dioxide (NO2) is
(i) one
(ii) two
(iii) three
(iv) four.
18. Give the names of the elements and number of atoms of
those elements, present in the following compounds.
(a) Sodium sulphate
(b) Quick lime
(c) Baking soda (NaHCO3) (d) Ammonia
(e) Ammonium dichromate
19. Write the basic radicals and acidic radicals of the
following and then write the chemical formulae of these
compounds.
(a) Barium sulphate (b) Bismuth nitrate
(c) Calcium bromide (d) Ferrous sulphide
(e) Chromium sulphate (f) Calcium silicate
(g) Stannic oxide
(h) Sodium zincate
(1) Magnesium phosphate () Sodium thiosulphate
20. The formula of the sulphate of an element Mis M (SO2),
Write the formula of its
(a) Chloride
(b) Oxide
(c) Phosphate
(d) Acetate​

Answer 1

Answer:

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