Question Text
Question 7 :
Which of the following is correct option for a balanced chemical reaction?
Question 10 :
Which of the following is the mass ratio of hydrogen to oxygen?
Question 11 :
...............suggested that initial letter of an element written in capitals should represent that particular element
Question 14 :
In naming certain compounds, the suffix 'ate' is used if the number of oxygen atom is.
Question 16 :
...........is a short form that stands for the atom of a specific element
Question 17 :
Dalton used symbol of a circle with a dot in its structure to represent.
Question 18 :
MOH is the formula of the hydroxide of a metal MThe formula of its sulphate is:
Question 19 :
Identify the formula of calcium hydrogen carbonate if formula of sodium carbonate is Na<sub>2</sub>CO<sub>3</sub>.
Question 20 :
A molecule is the smalllest particle that has the capability to exist.....
Question 21 :
Cl<sub>2</sub> +.........+ 2H<sub>2</sub>O{tex}\rightarrow{/tex}H<sub>2</sub>SO<sub>4</sub>+ 2 HCl is a balanced chemical equationChoose the correct option.