Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R)Assertion (A) : Dissolved substances can be removed from a colloidal solution by diffusion through a parchment paper.Reason (R) : Particles in a true solution cannot pass through parchment paper but the collodial particles can pass through the parchment paper.In the light of the above statements, choose the correct answer from the options given below:

Assertion (A): Kerosene is used to store sodium metal.&nbsp;Reason (R): When sodium metal is exposed to air, it melts.&nbsp;

Cooking utensils are made of aluminum. Which of the following aluminum qualities is accountable for the same?

Sort out the following items (hard brittle things that you commonly saw around you) into Group A (i.e. made up of non-metals), group B (i.e. made up of metals) and group C (i.e. made up of metals as well as non-metals).<figure class="table"><table><tbody><tr><td>I) Plastic toys</td><td>II) Nails</td><td>III) Kitchen utensils</td><td>IV) Table</td></tr><tr><td>V) Chair</td><td>VI) Fan</td><td>VII) Motor pump</td><td>VIII) Television case</td></tr><tr><td>IX) Television remote</td><td>X) Shoes</td><td>XI) ABS rubber</td><td>&nbsp;</td></tr></tbody></table></figure>

Most of the non-metallic elements are placed in

The chemical formula of white vitriol is

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