Avogadro Hypothesis & Application

Q.

As per __ law, equal volumes of all gases under the same conditions of temperature and pressure contain an equal number of molecules.

Q. Gay lussacs law and avogadros law are remaining

Q. Equal volumes of all gases, at the same temperature and pressure, have equal number of molecules. Which law states this?

1. Charles Law
2. Boyles Law
3. Avogadro's law
4. Gay Lussac's Law

Q. 1 amu is equal to $\left(\frac{1}{12}\right)$${}^{\text{th}}$ of the mass of one atom of carbon 12.

1. True
2. False

Q. How many helium atoms are present in 80 g of helium?

1. $12.044\times {10}^{22}$
2. $12.044\times {10}^{24}$
3. $12.044\times {10}^{23}$
4. $12.044\times {10}^{21}$

Q. If the mass of a single atom of an element is $5.31\times {10}^{-23}$ g, then which amongst the following elements could it be?

1. Oxygen
2. Potassium
3. Sulphur
4. Nitrogen

Q.

According to which law equal volumes of all gases, at the same temperature and pressure, have the same number of molecules.

1. Avogadro's law
2. Gay Lussac's Law
3. Charles Law
4. Boyles Law

Q.

What is the mass of sulphur that would react with 5 g of iron to form ferrous sulphide $\left(FeS\right)$?

1. 3.2 g

2. 2.85 g

3. 5.7 g

4. 5.9 g