(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

State the difference between Micturition and Parturition.

Write one sentence using the following term pertaining to reproduction in humans.

Gestation

Write one sentence using the following term pertaining to reproduction in humans.

280 days

Write one sentence using the following term pertaining to reproduction in humans.

Head first

Write one sentence using the following term pertaining to reproduction in humans.

After-birth

Write one sentence using the following term pertaining to reproduction in humans.

Tied and cut

Name these:

3 membranous, protective layers around the foetus.

Distinguish between the following pair:

Implantation and gestation

Distinguish between the following pair:

Pregnancy and parturition

Name a white, insoluble oxide that dissolves when fused with caustic soda or caustic potash.

Name:

a compound containing zinc in the anion

You are provided with two reagent bottles marked A and B. One of which contains NH₄OH solution and the other contains NaOH solution. How will you identify them by a chemical test?

What do you understand by the following:

Analysis

What do you understand by the following:

Qualitative analysis

What do you understand by the following:

Reagent

What do you understand by the following:

Precipitation

Z is a compound. With dilute HCl it gives a gas turning dichromatic solution green. Z gives lilac flame. Name Z.

State what do you observe when:
Sulphur burns.

State what do you observe when:
Ethane is bubbled through a solution of bromine in tetrachloromethane (carbon tetra chloride).

Write the observation, and balanced equation for the following reaction:
A paper dipped in potassium permanganate solution is placed at the mouth of a test tube, containing sulphur dioxide gas.