Samacheer Kalvi solutions for Science [English] Class 10 SSLC TN Board chapter 9 - Solutions [Latest edition]

A solution is a ______ mixture.

The number of components in a binary solution is ______

Which of the following is the universal solvent?

A solution in which no more solute can be dissolved in a definite amount of solvent at a given temperature is called ______

Identify the non-aqueous solution.

When pressure is increased at constant temperature the solubility of gases in liquid ______.

The solubility of NaCl in 100 ml water is 36 g. If 25 g of salt is dissolved in 100 ml of water how much more salt is required for saturation ______

A 25% alcohol solution means ______

Deliquescence is due to ______.

Which of the following is hygroscopic in nature?

The component present in a lesser amount, in a solution, is called ______

Example for liquid in solid type solution is ______

Solubility is the amount of solute dissolved in ______ g of solvent.

Polar compounds are soluble in _____ solvents

Volume percentage decreases with increases in temperature because ______

Match the following

Solutions which contain three components are called a binary solution.

In a solution, the component which is present in a lesser amount is called the solvent.

Sodium chloride dissolved in water forms a non-aqueous solution.

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

When Silica gel is kept open, it absorbs moisture from the air, because it is hygroscopic in nature.

Define the term: Solution

What is mean by the binary solution?

Give an example of gas in a liquid.

Give an example of a solid in a liquid.

Give an example of solid in solid.

Give an example of gas in gas.

What is an aqueous and non-aqueous solution? Give an example.

Define Volume percentage.

The aquatic animals live more in cold regions Why?

Define Hydrated salt.

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

Classify the following substances into deliquescent, hygroscopic. Conc. Sulphuric acid, Copper sulphate pentahydrate, Silica gel, Calcium chloride, and Gypsum salt.

Write notes on the saturated solution.

Write notes on an unsaturated solution.

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

Define solubility.

In what way, hygroscopic substances differ from deliquescent substances.

A solution is prepared by dissolving 45 g of sugar in 180 g of water. Calculate the mass percentage of solute.

3.5 litres of ethanol is present in 15 litres of an aqueous solution of ethanol. Calculate volume percent of ethanol solution.

Vinu dissolves 50 g of sugar in 250 ml of hot water, Sarath dissolves 50 g of the same sugar in 250 ml of cold water. Who will get a faster dissolution of sugar? and 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.

Will the cool drinks give more fizz at top of the hills or at the foot? Explain.