Advertisements
Advertisements
प्रश्न
Give two reasons for supposing that water is a compound and not a mixture.
उत्तर
Water is a compound because:
- Water cannot be split into its constituents, hydrogen and oxygen, by physical methods.
- It can only be separated into its constituents by chemical processes.
- The properties of water are entirely different from those of its constituents.
APPEARS IN
संबंधित प्रश्न
List five characteristics by which compounds can be distinguished form mixtures.
Name one pair of substances whose mixture can be separated by fractional distillation.
How will you separate a mixture of iron fillings and sulphur powder without using carbon disulphide ?
Give two examples of the following type of mixture.
liquid-gas
Name the components present in the following mixture:
Crude petroleum oil
Write “true” or “false” for the following statement
A pure substance consists of only one kind of atom or molecule.
A few drops of ‘Dettol’ when added to water the mixture turns turbid. Why?
What would you observe when
an aqueous sugar solution is heated to dryness.
Name the process associated with the following
Settling of sand when a mixture of sand and water is left undisturbed for some time.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
