SSLC (English Medium) Class 10 - Tamil Nadu Board of Secondary Education Question Bank Solutions

______ separates nitrogenous waste from the blood in the rabbit.

Explain the male reproductive system of rabbits with a labelled diagram.

What is the need for contraception?

Surgical methods of contraception prevent gamete formation.

To project the rockets which of the following principle(s) is /(are) required?

State the universal law of gravitation and derive its mathematical expression.

Give the applications of universal law gravitation.

Magnification of a convex lens is ______.

What is co-efficient of apparant expansion?

Derive the ideal gas equation.

Answer the following question using the data given below:

• Assertion: Magnesium is used to protect steel from rusting.
• Reason: Magnesium is more reactive than iron.

The pH of a solution is 3. Its [OH^–] concentration is ______

The pH of a fruit juice is 5.6. If you add slaked lime to this juice, its pH ______

The normal pH of human blood is ______

The pH of rainwater containing dissolved gases like SO₃, CO₂, NO₂ will be less than 7.

On dipping a pH paper in a solution, it turns yellow. Then the solution is basic.

How does pH play an important role in everyday life?

Calculate the pH of 1.0 × 10^–4 molar solution of HNO₃.

What is the pH of 1.0 × 10^–5 molar solution of KOH?

The hydroxide ion concentration of a solution is 1 × 10^–11M. What is the pH of the solution?