Question

2. Write 'true' or 'false' for the following statements:
(a) No new substance is formed
during a chemical reaction.
(b) Hydrogen sulphide has rotten
egg smell.
(c) When potassium iodide solution
is added to lead acetate solution,
a red precipitate is formed.
(d) A black residue is formed when
sugar is heated.
(e) When iron and sulphur are
heated together a grey mass is
formed which is attracted by a
magnet.​

Answer 1

Answer:

a false

b true

c false

d true

e false

Explanation:

all are correct

Answer 2

Answer:

a) false

b) true

c) false

d) true

e) false

Explanation:

all are correct