Question

(2) जूल का मात्रक है?
(a) ऊष्मा (b) कार्य (c) ऊर्जा (d) इनमें सभी

Answer 1

Explanation:

Mixtures are heterogeneous forms of matter. Mixtures are composed of variable proportions of molecules and atoms. Compounds are homogeneous forms of matter. Their constituent elements (atoms and/or ions) are always present in fixed proportions