Question

Select the correct answer
1. Gram a atomic mass is also considered as - gram_____ ( ion/ molecule/ atom)
Decomposition of ammonium chloride by heat to give ammonia and chlorine is a
as - gram - [ion/molecule/atom]
-
[thermal decomposition/thermal dissociation/cata
is an ex
The valency of copper in CuCl2 is --
hai dissociation/catalytic reaction]
The law which relates between the pressure of a gas and the
[1*/27731
temperature remaining constant is
essure of a gas and the volume occupied by it,
(Charle's law/Boyle's law/Lussac's law]
5. The temperature
is called absolute zero. [273K/0°C/-212
Oxygen in presence of U.V. light gives two
This combines with
foxygen atoms/oxygen molecule /two oxygen molecules]
Ludrogen and carbon monoxide are examples of
gases while chior
are examples of
- gases. (non-combustible/combustible]
8. An increase in pressure on the surface of water causes
- in the solubility
of the gas dissolved in water. [increase/ decrease/no change
9. -
is an example of an efflorescent salt, while
an example of a
deliquescent salt. [lead chloride/washing soda/iron [III] chloride
110. If an element 'X' has atomic number 18, then its valency is - - [+1/-1/01
111. The maximum number of electrons in any shell of an atom is represented by 2n. The
maximum number of electrons in the M shell is - [2/32/18/81
12. Isotopes of chlorine have the same
- but different number of
[atomic number/mass number/neutrons/protons/electrons]
[2/3/4] and
| 13. An element 'Y' has atomic number 20. It finds position in period______(2/3/4)and group____
[1/2/3].
​

Answer 1

Answer:atom

Explanation:

Answer 2

Answer:

your answer is atom please make me in brainlist