Question

18. Aaron went to the chemical laboratory in his school to do an experiment on iron fi lings and
sulphur. First he took 3 g of sulphur powder and 5g of iron filings. He put them on a china dish and
heated it till the mixture became red hot. Then he let the mixture cool and weighed the mixture. The
quantity seemed less to the naked eyes, but after he saw the weight he was surprised.
4X1=4
(D) How much did the mixture weight at the end?
(ii) Which law is applicable here?
(iii) State one property of a compound.
(iv) What is the name of the compound formed?​

Answer 1

Answer:

a. 3g+5g=8g

b. Law of conservation of mass

d. compound formed is iron sulphate

c. It is odourless.