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

What would happen if the habitat of wild animals is disturbed?

Why is the management of forest and wildlife resource considered as a challenging task?

Which of the following is a triatomic molecule?

If a molecule is made of similar kinds of atoms, then it is called ______ atomic molecule.

The Atomicity of phosphorous is ______

Two elements sometimes can form more than one compound.

Define: Atomicity.

Give any two examples for heterodiatomic molecules.

Derive the relationship between Relative molecular mass and Vapour density.

Match the following

The molecular formula of green vitriol is MgSO₄.7H₂O.

Define Hydrated salt.

A hot saturated solution of copper sulphate forms crystals as it cools. Why?

'A' is a blue coloured crystalline salt. On heating, it loses blue colour and to give 'B'. When water is added, 'B' gives back to 'A'. Identify A and B, write the equation.

What happens when MgSO₄.7H₂O is heated? Write the appropriate equation?

An atom or a group of atoms that is responsible for the chemical characteristics of an organic compound is called ______.

Match the following.

In monocot, stem cambium is present in between the xylem and phloem.

Anemophilous flowers have ______.

Mention the function of the endosperm.