Download App

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

Gujarat BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure?2 Marks
Question
How will you test whether a given solution is a colloidal solution?
✓

Answer

The given solution is taken in a beaker. Then, a strong beam of light is allowed to fall on the solution from one side of the beaker in a dark room. If the beam of light is visible in the solution, then it is a colloidal solution.

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

State law of conservation of energy.
→
A bus starts from the stop and take $50s$ to get the speed of $10m/s$. If the mass of the bus along with passengers is $10000kg,$ then calculate the force applied by the engine of bus to push the bus at the speed of $10m/s.$
→
State the definition of health given by $WHO.$ Write down the traits of a healthy person.
→
Give any four factors necessary for a healthy person.
→
Why does the temperature of a substance remain constant during the change of state?
→
Which types of ribosomes are found in prokaryotes and eukaryotes?
→
You are given two samples of water labelled as $‘A’$ and $‘B’$. Sample $‘A’$ boils at $100^\circ\ C$ and sample $‘B’$ boilsa $102^\circ\ C$. Which sample of water will not freeze at $0^\circ C$? Comment.
→
A boy tries to push a truck parked on the roadside.The truck does not move at all. Another boy pushes a bicycle moves through a certain distance. In which case was the work done more: on the truck or on the bicycle? Give a reason to support your answer.
→
If on a round trip you travel $6\ km$ and then arrive back home:
  1. What distance have you travelled$?$
  2. What is your final displacement$?$
→
Why does steam cause more severe burns than boiling water?
→