Download App

Is Matter Around Us Pure ? — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure ?2 Marks
Question
Define solubility of a substance. How does it vary with temperature?
✓

Answer

The maximum amount of a solute which can be dissolved in 100g of a solvent at a specified temperature is known as the solubility of that solute in that solvent. The solubility of solids in liquids is directly proportional to temperature whereas the solubility of gases in liquids is inversly proportional to temperature.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Que-Ans (Each of 2 Mark )" from Is Matter Around Us Pure ?→Is Matter Around Us Pure ? — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

What is the mass of 5m3 of cement of density 3000 kg/m3?

→
What is RBC count of normal humans?
→
Explain the following giving examples.
Pure substance.
→
Explain why, a runner presses the ground with his feet before he starts his run.
→
State law of conservation of energy.
→
Arrange the following substances in increasing order of forces of attraction between the particles— water, sugar, oxygen.
→
What is the effect of temperature on the solubility of solids in liquids?
→

How many cervical vertebrae are found in mammals?

→

Mention the factors affecting stored grains and describe their preventive measures.

→
Give two reasons for supposing that water is a compound and not a mixture.
→