Very Short Answer Type Questions
1. What is meant by pure substance ?
2. What is a mixture ?
3. Write one difference between homogeneous and heterogeneous mixture.
Name the components of a solution.
* Name two phases of a colloidal solution.
6. Mention one difference between solution and suspension
7. In which solution more solute can be dissolved?
8. Which liquid mixture can be separated by separating funnel?
9. Name two compounds of Hydrogen.
Answers
Answer:
ANSWER 1: THE PURE SUBSTANCES MEANS WHICH IS TOTALLY PURE DON'T MIX ANYTHING IN IT
ANSWER 2: THE SUBSTANCE IN WHICH CMEMICAL ARE MIXES IS KNOWN AS MIXTURE
ANSWER 8: OIL AND WATER
Answer:
1. The substance which is not mixed with any other substance is called pure substance.
2. The substance mixed with 2 or more substance is called mixtjre.
3. Homogeneous mixture
The mixture have uniform appereance is called homogeneous mixture.
Hetrogeneous mixture
The mixture doesnot have uniform apperance is called hetrogeneous mixture.
4. components of solution are
Solute and Solvent.
5. A colloidal solution contains 2 separate phases.
The dispersed phase and the dispersion medium.
6. The difference b/w a solution and a suspension is in the particles sizes involved.
A solution is a mixture of ions or molecues.
Solutions are transparent , meaning that you can see through them.
A suspension has bigger particle sizes and so it may look cloudy or murky.
7. Concentration
8. Mixture of air, water, oil , iron and chromium.
9. Protium and Deuterium.