SSLC (English Medium) इयत्ता ८ - Tamil Nadu Board of Secondary Education Question Bank Solutions

Acids are bitter in taste.

Acids are corrosive in nature.

What are the uses of acids?

Vinu and Priyan take their lunch at school. Vinu eats lemon rice and Priyan eats curd rice. Both lemon rice and curd rice are sour in taste. What is the reason?

Heshna and Keerthi are friends. Keerthi’s teeth are white without caries, but Heshna has teeth with caries. Why? How is it formed?

What do you mean by catenation?

Deforestation means ______.

What is known as extint species?

Why did the numbers of tiger and black buck decrease?

The _____ character is used in text formula.

______ is the process of finding an unknown physical quantity by using a standard quantity.

The melting point of pure ice (0° C) is taken as ______ fixed point.

The super conductors are used to levitate trains from the track.

When 5 coulomb of charge, flows through a circuit for 20 seconds. Calculate the current?

A push or pull on an object is called force.

Assertion: Force is defined as a push or pulls acting on a body.
Reason: CGS unit of force is the newton.

Mention the two types of forces.

In ‘tug of war’ when two teams pull equally hard, then what happens?

Does the palm apply any force on the ball, when we place our palm in front of a moving ball?

Briefly explain how we experience a force in our daily life.