Calcium carbide with heavy water generates-
1.
2.
3.
4.
Permutit is chemically known as:
1. Hydrated sodium aluminium silicate
2. Sodium hexa meta-phosphate
3. Sodium silicate
4. Sodium meta-aluminate
Para hydrogen is-
1. Less stable than ortho hydrogen.
2. More stable than ortho hydrogen.
3. As stable as ortho hydrogen.
4. None of the above.
Exhausted permutit does not contain –
1. ion
2. ion
3. ion
4. ion
A compound among the following that has hydrogen in the atomic state is –
1. Metallic hydrides
2. Ionic hydrides
3. Molecular hydrides
4. Water
A compound that can remove both temporary and permanent hardness of water is -
1.
2. Boiling
3.
4.
An isotope that is used as a tracer in a chemical reaction is-
1.
2.
3.
4. Ortho hydrogen
The hydride formed by an element having valence shell electronic configuration is -
1. Saline hydride.
2. Electron rich hydride.
3. Interstitial hydride.
4. No hydride.
The freezing point of heavy water in comparison to normal water is -
1. Higher
2. Lower
3. Same
4. None of the above
Reaction among the following where acts as a reducing agent is-
a.
b.
c.
d.
1. a, b
2. c, d
3. a, c
4. b, d