Question

test tube
test tube 8' but not in test tube A
but not in test tube
ulphide and choose the correct
Add dil. HCI to (1) mixture of Fe and sulphur (W) iron sulphide and
observation
b) FeS does not react with HCI
a) Mixture of iron and sulphur reacts
with HCl to give H2S gas
e) Fes reacts with HCl to give Ha gas
d) Mixture of iron and sulphur reacts
with HCl to give Hz gas
Find the incorrect statement
b) Mixture can be called as a single
substance
a) Purity of compounds can be tested
by determining their melting points.
c) Cesium and gallium are liquids
above 30°C
d) No energy changes occur when the
constituent of air tried to be mixed.​

Answer 1

Answer:

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Answer 2

Answer:

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