5 g of zinc dust and 5 g of granulated zinc was taken in test-tube I and test-tube II respectively, and 10 ml of dilute sulphuric acid was added to each test-tube. It will be observed that :
(a) the rate of evolution of hydrogen gas is same in both the test-tubes.
(b) the rate of evolution of hydrogen gas is faster in test-tube II than in test-tube I.
(c) the rate of evolution of hydrogen gas is faster in test-tube I than in test-tube II.
(d) there is no reaction in test-tube II.
CBSE Class IX Science VSA (1 Mark)
Answers
Answered by
0
(c) Surface area of contact is more in tube I than
in tube II.
Similar questions