Question Text
Question 2 :
Assertion: 1 mole $H_2SO_4$ contains same mass of oxygen and sulphur.  <br/>
Reason: 1 mole $H_2SO_4$ represents 98 g mass. 
Question 6 :
The molecular mass of $(NH_4)_2CO_3$ is :Given atomic mass of H = 1, O = 16, C = 12, N = 14.<br/>
Question 7 :
The number of atoms present in 100 grams of sodium is :
Question 8 :
If combining atoms of a compound have nearly similar electronegativities the bond between them is_____
Question 9 :
The formula of a compound between any group $2$ element, $M$, and any group $16$ element, $X$, will be:
Question 10 :
If the electronic configuration of $M=2, 8, 3$ and that of $A= 2, 8, 7$ The formula of the compound is
Question 11 :
The formula of stable binary compound which is formed by the combination of aluminium and chlorine is _________.
Question 12 :
A gaseous mixture contains $CH_4$ and $C_2H_6$ in equimolar proportion. The weight of $1.12\ l$ of this mixture at STP is:
Question 13 :
Which of the following is a merit of Dalton's atomic theory?