1
A solution of a substance is used for whitewashing.
c) Name the substance X and write its formula.
(1) Write the reaction of the substance X named in (i) above with
water.
Why is the amount of gas collected in one of the test tubes in Activity
1.7 double of the amount collected in the other? Name this gas.
2.
Answers
Answered by
9
Answer:
1. Substance X is Calcium Oxide (quick lime) (Cao)
It reacts with water to form Calcium Hydroxide (CaoH2)
Cao + H20 = Ca(OH)2
Amount of gas collected at one test tube because Hydrogen reacts with water in the ratio of 2:1 so 300 ml of water is taken then Amount of hydrogen is 200ml
Answered by
1
Answer:
1. Substance X is Calcium Oxide (quick lime) (Cao)
It reacts with water to form Calcium Hydroxide (CaoH2)
Cao + H20 = Ca(OH)2
Amount of gas collected at one test tube because Hydrogen reacts with water in the ratio of 2:1 so 300 ml of water is taken then Amount of hydrogen is 200ml
Explanation:
Similar questions