Can you say that salt is a liquid on the basis of change in its shape? Justify your answer.

Can you find the HCF of 1.2 and 0.12? Justify your answer.

Are the positions of (5,-8) and (-8,-5) is same? Justify your answer.

Do reversible processes exist in nature? Justify your answer.

Let us stretch a rubber band. Is there a change in its shape?

Is it right to say that sin (A+B) =sin A +sin B ? Justify your answer.

Can the voltage drop across the inductor or the capacitor in a series LCR circuit be greater than the applied voltage of the ac source? Justify your answer.

What do you understand by the term "non-stoichiometric hydrides"? Do you expect this type of the hydrides to be formed by alkali metals? Justify your answer.