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प्रश्न
Select the correct answer from the choice given below to complete the sentence :
Dust in air is an example of _________ mixture.
पर्याय
heterogeneous
homogenous
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उत्तर
Dust in the air is an example of a Homogenous mixture.
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संबंधित प्रश्न
Fill in the blank
Chalk powder dissolved in water is an example of a Chalk powder dissolved in water is an example of a _________.
Why is it necessary to separate the constituents of a mixture.
Give two examples of the following.
Metals which are soft
What is meant by H20 and 3H2O
Give one use of the following substance:
Iron
Fill in the blank
A metal which is a liquid at room temperature is _______.
Tick (√) the correct alternative from the choice given for the following statement.
Gold is used to make jewellery because
Tick (√) the correct alternative from the choice given for the following statement
The most ductile metal.
Elements are classified into – Metals – Non-metals – Metalloids – Noble gases. State which of A, B, C, D is a –
1. Metallic element
2. Non-metallic element
3. Metalloid
4. Noble gas.
A: Is non-malleable, non-ductile & a poor conductor of electricity ___________
B: Has lustre, is malleable and ductile & a good conductor of heat ___________
C: Is unreactive and inert and present in traces in the air _________
D: Shows properties of both metals and non-metals ___________
Write the names of elements from the following symbol:
Cu
