Question

Weight of copper oxide obtained by treating
2.16 g of metallic copper with nitric acid and subsequent
ignition was 2.7g. In another experiment, 1.15 g of copper
oxide on reduction yielded 0.92 g of copper. Show that the
results illustrate the law of definite proportions. [Ans. Cu=
80%, 0=20%]​

Answer 1

Explanation:

the branch of mechanics concerned with the motion of objects without reference to the forces which cause the motion.

the features or properties of motion in an object.

plural noun: kinematics

Answer 2

I don’t know the answer but please mark me as the brainlist