Chemistry questions
29404 published questions with worked solutions.
- Which compound, when dissolved in water, conducts electricity and forms a basic solution ?
- The proposition 'equal volumes of different gases contain equal numbers of molecules at the same temperature and pressure' is...
- Zinc is used to protect iron from corrosion because zinc is
- Consider the following reaction : CH_4 + 2O_2 CO_2 + 2H_2O Which of the following about the reaction given above is/are correct ?...
- Which one of the following gives the highest amount of hydrogen ions (H^+) ?
- Which one of the following is NOT true for bleaching powder ?
- Which one of the following properties is NOT true for graphite ?
- Which one of the following is the purest form of Carbon ?
- Which one of the following alkali metals has lowest melting point ?Not in JEE Main or NEET syllabus
- A sample of oxygen contains two isotopes of oxygen with masses 16 u and 18 u respectively. The proportion of these isotopes in...
- Which one of the following is a heterogeneous mixture?
- What is the formula mass of anhydrous sodium carbonate? (Given that the atomic masses of sodium, carbon and oxygen are 23 u, 12 u...
- Which one of the following reactions will give NO (nitric oxide) gas as one of the products?
- Which one of the following is a tribasic acid?
- Which one of the following is an oxidation-reduction reaction?
- Which one of the following is NOT a synthetic detergent ?Not in JEE Main or NEET syllabus
- Which one of the following is an organic acid ?
- Dinitrogen (N_2) and dioxygen (O_2) are the main constituents of air but they do not react with each other to form oxides of...
- The equivalent weight of oxalic acid in C_2H_2O_4 2H_2O is
- Which one of the following substances is NOT a mixture ?