Some Basic Conc...

Which law is also known as Law of constant composition?

According to Dalton’s atomic theory chemical reactions involve:

100mL of gaseous hydrogen combines with 50 mL of gaseous oxygen to give 100mL of water vapours. This can be explained on the basis of:

According to the Avogadro’s law, equal volumes of gases at the same temperature and pressure should contain:

The distinction between atoms and molecules was made by:

Law of definite proportions is given by:

According to Avogadro’s law at the same temperature and pressure:

Law of constant composition does not hold good for:

Laws of chemical combinations can be explained on the basis of:

What is incorrect about the Law of conservation of mass?

A statement which is not a part of Dalton’s atomic theory is:

Natural sample of cupric carbonate contains 51.35% of copper, 9.74% of oxygen and 38.91% of carbon. Synthetic sample of the compound will contain:​

A compound prepared by any method contains the same elements in the fixed ratio by mass. The given statement is known as:

At what conditions Gay Lussac’s law of gaseous volumes is considered?

Law of conservation of mass was given by:

Which of the following statements illustrate the law of multiple proportions?

If 6.3 g of NaHCO₃ are added to 15.0 g CH₃COOH solution, the residue is found to weigh 18.0 g. What will be the mass of CO₂ released in the reaction?

Hydrogen combines with oxygen to form two compounds namely, water and hydrogen peroxide.
Hydrogen + Oxygen →Water
Hydrogen + Oxygen →Hydrogen peroxide
Here, the masses of oxygen which combine with a fixed mass of hydrogen bear simple ratio, Will be

4.88 g of KClO₃ when heated, produces 1.92 g of O₂ and 2.96 g of KCl. Which of the following statements is true regarding the experiment?

Zinc sulphate contains 22.65% zinc and 43.9% water of crystallisation. If the law of constant proportions is true then the weight of zinc required to produce 20 g of the zinc sulphate crystals will be