The paste of a white material in water is used to maintain a fractured bone fixed in place. The white material used is called

Which one among the following is used in bleaching of paper?

Which one of the following is used in preparing a natural mosquito repellent?

Common salt (NaCl) is not used as a raw material for preparation of which one of the following compounds ?

For manufacturing of glass, which among the following is used as a source of silica?

Which one among the following is commonly used as an 'anti-skinning agent' in paints ?