Advertisements
Advertisements
प्रश्न
Name the different types of solutions. Give one example of each.
उत्तर
Types of solution-
(i). Solid in solid.
Example- Brass
(ii). Solid in a liquid
Example- Tincture of iodine
(iii). Liquid in liquid
Example- ethanoic acid
(iv). Gas in a liquid
Example- CO2 in water
(v). gas in gas
Example- Air
APPEARS IN
संबंधित प्रश्न
Gases have definite volume but no definite shape.
Which one is a kind of matter:
A kind of matter which can sublime is
Explain why, osmosis can be considered to be a special kind of diffusion. Classify the following into
(i) osmosis, and (ii) diffusion :
- swelling up of a raisin on keeping in water
- spreading of virus on sneezing
- earthworm dying on coming in contact with common salt
- shrinking of grapes kept in thick sugar syrup
- preserving of pickles in salt
- spreading of smell of cake being baked in the kitchen
- aquatic animals using oxygen dissolved in water during respiration
Name a non-metal which is a good conductor of electricity.
Define solute.
One of the following represents the solution of solid in a solid. This one is :
Tincture of iodine has antiseptic properties. This solution is made by dissolving :
State whether the following statement are true or false :
Salt and water can be recovered from an aqueous salt solution by the process of evaporation.
What difference in the properties of oil and water enable their separation by a separating funnel ?
Which technique is used in a washing machine to squeeze out water from wet clothes while drying ?
Fill in the following blanks with suitable words :
A heterogeneous mixture of liquid and solid is conveniently separated by...............
How would you obtain sodium chloride from a mixture of sodium chloride and sulphur without using water ?
How would you separate iodine from a mixture of iodine and common salt ?
Describe a method for separating a mixture of iron filings and sulphur powder other than that by using a magnet.
Explain the meaning of the term ‘matter’.
Write a few lines on the blackboard with a chalk. Now observe the chalk. What changes do you see in the chalk?
______ is not made of matter.
Match the physical quantities given in column A to their S I units given in column B:
(A) | (B) | ||
(a) | Pressure | (i) | cubic metre |
(b) | Temperature | (ii) | kilogram |
(c) | Density | (iii) | pascal |
(d) | Mass | (iv) | kelvin |
(e) | Volume | (v) | kilogram per cubic metre |
Evaporation is always accompanied by ______ in temperature.