The number of atoms present in 21.6 gram of silver (atomic weight = 108) are same as the molecules in
1.8 gram of H2O
12 moles of KMnO4
0.6N H2SO4
4.6 gram of C2H5OH
Additional Questions
|
The National Chemical Laboratory is situated in |
Answer |
|
Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be |
Answer |
|
The mass number of an atom is equal to |
Answer |
|
The maximum number of covalent formed by nitrogen is |
Answer |
|
The formula C6H5-CO-CH3 represents |
Answer |
|
The metal that is usually extracted from sea water is |
Answer |
|
The method of concentrating the ore which makes use of the difference in density between ore and impurities is called |
Answer |
|
The inert gases are ____ in water |
Answer |
|
The molecular formula of phosphorous is |
Answer |
|
The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of |
Answer |