select a heterogeneous mixture of the following:

Which of the following properties is not characteristic of colloidal particles?

Cloud is an example of ___________

The solubility of a salt in water is 20 g/100 g at 25⁰ C. It increases 10% for every 5⁰ C rise of temperature up to 50⁰ C and then becomes constant. A solution of 26 g of the same salt in 100 g of water at 35⁰ C would be

Which of the following is a physical change?

Water is a compound and not a mixture. List two reasons to justify your answer.

(a) 7g of iron fillings and 4 g of sulphur powder is treated with dilute H₂SO₄ at room temperature. Name the gas produced.
(b) The same mixture is heated strongly and then treated with dilute sulphuric acid. Which gas would be produced?
(c)What is the cause of this difference in result of chemical reaction in different conditions?

What is the main difference between aqueous and non-aqueous solutions?

Identify solute an solvent in 'tincture of iodine'. why Tyndall effect is not seen in true solution?

A mixture is heterogeneous. How will you known whether it is a solution, a colloid or a suspension.

List the points of differences between homogeneous and heterogeneous mixtures.

110 g of salt is present in 550 g of solution. Calculate the concentration of solution.

Why is the separation of a mixture done?

Define physical and chemical changes.

Define the term compound.

List the various types of homogeneous and heterogeneous mixtures with examples.

Give the distinguishing feature of a pure substance or a compound and a mixture.

In what respect does a true solution differ from a colloidal solution and a suspension? How will you test whether a given solution is a colloidal solution or a suspension?

Write three main difference between a mixture and a compound.

A silver ornament of mass m gram is polished with gold equivalent to 1% of the mass of silver. Compute the ratio of the number of atoms of gold and silver in the ornament.