Question

a. AH
C. 13
2.1- Choose the correct option:
1. Following is measured by a bomb calorimeter:
b. ΔΕ
c. V p
d. av
2. Atomic number of an elements is 27, and the number of neutron in its atom is 14. Then
find the number of e
a. 14
b. 27
d. 41
3. How many orbital are present in azimuthally quantum number of sub-shell.
a. 21+1 b. 31+1
d. 21
4. Which of these is Louis acid?
a. Acla
b. Mgcl2
c. Cacl2 d. Bacl2
5. Hardness of water is due to :
a. CaCo, and MgCO3
b. Nach and Na2SO4
C. Na2CO3 and
d. CaCl2 and CaSO4
​

Answer 1

Answer:

1) A

2) C

3) B

4) D

5) C

Explanation:

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