Explanation

• Matter is anything that occupies space and has mass.
• It can take many forms, including solids, liquids, gases, and plasma.
• Matter is the physical substance that makes up all objects, living and non-living.

Explanation

When water acts as the solvent in dissolving a substance, the process is called hydration.

It involves the attachment of water molecules to the ions or molecules of the solute.

Explanation

Ionic character is determined by the difference in electronegativity between the atoms in a bond.

A larger electronegativity difference indicates a greater degree of ionic character.

CsF has the largest electronegativity difference due to the extremely high electronegativity of fluorine and the very low electronegativity of cesium. 

Explanation

Molar mass of nitrogen (N): 14.01 g/mol 

Molar mass of hydrogen (H): 1.01 g/mol (3 H atoms in NH3) 

Molar mass of ammonia (NH3): 14.01 + (3 * 1.01) = 17.04 g/mol 

Percentage of nitrogen in NH3 = (14.01 / 17.04) * 100 = 82.23% 

This is very close to the provided option of 82.35%, which can be expressed as 14/17 * 100. 

Explanation

Germanium is a semiconductor.

It commonly used in electronics for its ability to conduct electricity under certain conditions.

It has properties between those of a conductor and an insulator, similar to silicon.

Explanation

The pKb of n-propyl amine is approximately 3.32, indicating its basicity.

Explanation

Explanation

• An Addition Reaction is a type of chemical reaction where two or more substances combine to form a new, single compound.
• This type of reaction involves the formation of a new chemical bond, resulting in a single product with a unique identity.

Explanation

The statement "Total mass of the reactants and products will remain conserved during a chemical reaction" is called the Law of Conservation of Mass.

Explanation

• Isotopes of an element have the same atomic number (number of protons).
• It means they have the same chemical properties and are considered the same element.