2. Kinetic energy of particles of a substance is highest in
(a) solid
(b) gas
(c) liquid
(d) none of these
3. In a chemical reaction, matter is
(a) either created or destroyed
(c) created
(6) destroyed
(d) neither created nor destroyed
(a) solid
(b) gas
(c) liquid
(d) none of these
3. In a chemical reaction, matter is
(a) either created or destroyed
(c) created
(6) destroyed
(d) neither created nor destroyed
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Answer:
2 ka gas ans hai or
3 ka neither created nor destroyed hai
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2. Kinetic energy of particles of a substance is highest in
(a) solid
(b) gas
(c) liquid
(d) none of these
Ans... (b) Gas.
3. In a chemical reaction, matter is
(a) either created or destroyed
(c) created
(6) destroyed
(d) neither created nor destroyed
Ans.. (d) Neither created nor destroyed.
✾❁❁✾❁❁✾❁❁✾❁❁✾