Question

State & prove the law of conservation of momentum. A sample of pure water, irrespective of its source contains 11.1% hydrogen and 88.9% oxygen. The data

supports

(a) law of constant proportions (b) law of conservation of mass

(c) law of reciprocal proportions (d) law of multiple proportionsBoth the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion.

(b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion.

(c) Assertion is true but the Reason is false.

(d) The statement of the Assertion is false but the Reason is true.

2. Assertion : When 10 g of CaCO3 is decomposed, 5.6 g of residue is left and 4.4 g of CO2 escapes.

Reason : Law of conservation of mass is followed.​

Answer 1

Answer:

option a)law of constant proportions

Explanation:

the ratio of the elements does not change in the elements