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std 11th maharashtra board book

## 1. Choose the most correct option

a. 88.9
b. 18
c. 80
d. 16

a. NO, NO2
b. CO, CO2
c. H2O, H2O2
d. Na2S, NaF

a. - 40°
b. + 40°
c. -80°
d. -20°

a. Volt
b. Ampere
c. Candela
d. Newton

### E. In the reaction N2+ 3H2 $$\rightarrow$$2NH3 , the ratio by volume of N2 , H2 and NH3 is 1 : 3 : 2 This illustrates the law of

a. definite proportion
b. reciprocal proportion
c. multiple proportion
d. gaseous volumes

a. 7 g N2
b. 2 g H2
c. 8 g O2
d. 20 g NO2

a. 4.5
b. 18
c. 0.25
d. 5.4

a. 6.022 x 1020
b. 6.022 x 1023
c. 22.4 x 1020
d. 22.4 x 1023

### I. Which of the following has the largest number of atoms ?

a. 1g Au (s)
b. 1g Na (s)
c. 1g Li (s)
d. 1g Cl2 (g)
from std 11th maharashtra board bookÂ

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The answer is highlighted in question like this

Q1. Choose the most correct option

A)  a. 88.9

B) d. Na2S, NaF

C) a. - 40°

D) b. Ampere

E) d. gaseous volumes

F) b. 2 g H2

G) a. 4.5

H) a. 6.022 x 1020

I)  c. 1g Li (s)

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