SSC (Marathi Semi-English) १० वीं कक्षा - Maharashtra State Board Question Bank Solutions for Science and Technology 1

Write the name and symbol of the element from the description.

The most reactive nonmetal.

Write the name from the description.

The family of nonmetals having valency one.

Identify the figure and explain their use.

Explain the following term with example.
Monomer

Explain the following term with example.

Reduction

Explain the following term with an example.

Oxidant

The halogen which is liquid at room temperature is ..................

_______ is in liquid form in the halogen family.

Cl : halogen group : : Ar : _______

Iodine : solid : : bromine : _______

CH₃–CH₂–CHO : propanal : : CH₃–COOH : _______

Ketone : –CO– : : Ester : _______

Write the molecular formula of the given compound.

Sodium ethanoate

Write the molecular formula of the given compound.

Ethanoic acid

Write the name.

A halogen from period 4.

All the elements in the halogen family are gases.

Ester is a sweet-smelling compound.

Explain the following reaction with an example.

Esterification

Explain the following reaction with an example.

Saponification

What are catalysts?