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

Calculate the % of oxygen in Al₂(SO₄)₃. (Atomic mass: Al-27, O-16, S -32)

Calculate the % relative abundance of B-10 and B-11, if its average atomic mass is 10.804 amu.

The chemical equation Na₂SO_4(aq) + BaCl_2(aq) → BaSO_4(s)↓ + 2NaCl_(aq) represents which of the following types of reaction?

What is called thermolysis reactions?

Classify the following compounds based on the pattern of the carbon chain and give their structural formula:

(i) Propane

(ii) Benzene

(iii) Cyclobutane

(iv) Furan

Casparian strips are present in the ______ of the root.

The endarch condition is the characteristic feature of ______

The waxy protective covering of a plant is called a cuticle.

Palisade parenchyma cells occur below the upper epidermis in the dicot root.

What is a collateral vascular bundle?

Differentiate the following.

Monocot root and Dicot root

How does leech respire?

Active transport involves ______

Which of the following process requires energy?

Impulse is equals to

The linear momentum of a system of particles is always conserved.

A ball of mass 1 kg moving with a speed of 10 ms^-1 rebounds after a perfect elastic collision with the floor. Calculate the change in linear momentum of the ball.

State and prove the law of conservation of linear momentum.

Define electric potential and potential difference.

Mark the correct choice as

1. Assertion: The change in air pressure affects the speed of sound.
2. Reason: The speed of sound in a gas is proportional to the square of the pressure