The number of moles of oxygen gas used in the complete combustion of 1 mole of glucose is :

The metal used to recover copper from a solution of copper sulphate is

Which one of the following compounds is used in 'black and white' photography?

Which one of the following materials is present in a guard tube (drying tube) that is used for preparation of HCl gas?

Consider the following statements regarding burning of magnesium ribbon in air : 1 White powder of MgO is formed. 2. It is an example of combustion reaction. 3. Heat and light are produced. Which of…

Which one of the following is not an example of an oxidation reaction?