SSLC (English Medium) कक्षा १० - Tamil Nadu Board of Secondary Education Question Bank Solutions

Give the balanced chemical equation of the following reaction: 

Neutralization of NaOH with ethanoic acid.

Give the balanced chemical equation of the following reaction:

Neutralization of NaOH with ethanoic acid.

While catching a cricket ball the fielder lowers his hands backwards. Why?

“Wearing helmet and fastening the seat belt is highly recommended for safe journey” Justify your answer using Newton’s laws of motion.

A convex lens forms a real, diminished point-sized image at focus. Then the position of the object is at

The convex lens always gives small virtual image.

While doing an experiment for the determination of focal length of a convex lens, Raja Suddenly dropped the lens. It got broken into two halves along the axis. If he continues his experiment with the same lens,

1. can he get the image?
2. Is there any change in the focal length?

State Joule’s law of heating.

Value based question

Why is it not possible to use solar cells to meet our energy needs? State three reason to support to your answer.

An alloy of nickel and chromium is used as the heating element. Why?

How does a fuse wire protect electrical appliances?

The value of the ionic product of water at 25°C is ______.

The ion formed by dissolution of H⁺ in water is called ______

Lemon juice has a pH of 2, what is the concentration of H⁺ ions?

Why menstrual cycle does not take place before puberty and during pregnancy?

Read the following passage and answer the question that follows:

Rahini and her parents were watching a television programme. An advertisement flashed on the screen which was promoting the use of sanitary napkins. Rahini’s parents suddenly changed the channel, but she objected to her parents and explained the need and importance of such an advertisement.

What is first menstruation called? When does it occur?

Read the following passage and answer the question that follows:

Rahini and her parents were watching a television program. An advertisement flashed on the screen which was promoting the use of sanitary napkins. Rahini’s parents suddenly changed the channel, but she objected to her parents and explained the need and importance of such an advertisement.

List out the napkin hygiene measures taken during menstruation?

Read the following passage and answer the question that follows:

Rahini and her parents were watching a television program. An advertisement flashed on the screen which was promoting the use of sanitary napkins. Rahini’s parents suddenly changed the channel, but she objected to her parents and explained the need and importance of such an advertisement.

Do you think that Rahini’s objection towards her parents was correct? If so, Why?

What are the phases of the menstrual cycle? Indicate the changes in the ovary and uterus.

The luteal phase of the menstrual cycle is also called the secretory phase. Give reason.