Who proposed the laws of chemical combination?
- AJohn Dalton
- BAntoine $L$. Lavoisier and Joseph $L$. Proust
- CDmitri Mendeleev
- DRobert Boyle
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Similar Questions
Express each of the following in kilograms:
$(a)$ $5.84 \times 10^{-3} \,mg$
$(b)$ $58.34 \,g$
$(c)$ $0.584 \,g$
$(d)$ $5.873 \times 10^{-21} \,g$
$(a)$ $5.84 \times 10^{-3} \,mg$
$(b)$ $58.34 \,g$
$(c)$ $0.584 \,g$
$(d)$ $5.873 \times 10^{-21} \,g$
Medium
View SolutionWhich of the following correctly represents $360 \, g$ of water?
$(i)$ $2$ moles of $H_2O$
$(ii)$ $20$ moles of water
$(iii)$ $6.022 \times 10^{23}$ molecules of water
$(iv)$ $1.2044 \times 10^{25}$ molecules of water
$(i)$ $2$ moles of $H_2O$
$(ii)$ $20$ moles of water
$(iii)$ $6.022 \times 10^{23}$ molecules of water
$(iv)$ $1.2044 \times 10^{25}$ molecules of water
Medium
View SolutionWhat is meant by atomicity? How many different types of molecules are known on the basis of atomicity?
Difficult
View SolutionWhat is the difference between $2H$ and $H_2$?
Easy
View SolutionWhich of the following has the maximum number of atoms?
Medium
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