SSC (English Medium) इयत्ता १० वी - Maharashtra State Board Question Bank Solutions for Science and Technology 1

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.

Find the correlation:

Cl : halogen group : : Ar : _______

Find the correlation:

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.

Right or wrong sentence.

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?

Give a chemical reaction in which a catalyst is used.

Write the characteristics of ethanoic acid.

Observe the figure and write the answers to the following questions.

1. Write the name of the reaction shown in the following figure.
2. Write the above chemical reaction in the form of a balanced equation.
3. Write the name of the product produced in the above reaction, write a use.
4. Write the name of the catalyst used in the above reaction.

Complete the correlation:

Group 1 : Alkali metals : : ______ : Halogens.