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प्रश्न
State whether the following statement is true or false. If false write – the correct statement.
Components in a mixture are present in a definite proportion.
विकल्प
True
False
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उत्तर
False
Correct Statement: Components in a mixture are present in a varying proportion.
संबंधित प्रश्न
Fill in the following blanks with suitable words :
Brine is a ..............whereas alcohol is a...............
Which of the following is not a mixture ?
Three mixtures A, B and C are obtained by stirring three different solids in water taken in separate beakers. When mixture A is allowed to stand for some time, then its particles settle at the bottom of the beaker. When a beam of light is passed through mixture A in a dark room, the path of light becomes visible when observed from the side of the beaker. When mixture B is allowed to stand for a considerable time, even then its particles do not settle down. Mixture B, however, scatters the beam of light just like mixture A. The particles of mixture C do not settle down on keeping and it also does not scatter a beam of light passing through it.
What are the mixtures like A known as ?
What are the mixtures like B known as ?
What are the mixtures like C known as ?
Name the phenomenon exhibited by A and B which occurs on passing a beam of light through them.
Name one mixture each which is like (i) A (ii) B, and (iii) C.
Define the following:
Heterogeneous mixture
Give reason:
Why do petrol and water form a heterogeneous mixture?
Write “true” or “false” for the following statement
Jewellery gold is a homogeneous mixture of metals.
Tick (√) the correct alternative from the choice given for the following statement:
A gas dissolved in a liquid can be separated by
Differentiate between homogeneous and heterogeneous mixtures with suitable examples.
Give a reason why sublimable and non-sublimable substances can be separated easily, but two sublimable substance cannot.
Name the following:
The component of the soluble solid-liquid mixture, which is lost to the atmosphere on heating.
