Question

Write True or False :-

1. A mixture has a definite set of properties.

2. Common Salt Sublimes On Heating Where As Ammonium Chloride Does Not.

3. We Can Get Water From A Mixture Of Salt & Water By Evaporation .

4. A molecules Of Hydrogen is Made Up of Three atoms of Hydrogen .

5. Sulphur is a metalloid.

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Answer 1

Explanation:

1. Components in a mixture are present in a definite proportion. Mixture have no definite set of properties. Components in a mixture can be separated by physical and chemical methods. Sodium chloride and water is an example of a mixture of compounds.
2. To Separate a Mixture of Common Salt and Ammonium Chloride:- Ammonium. chloride sublimes on heating whereas common salt does not sublime on heating. So, we can separate ammonium chloride from a mixture of 'common salt and ammonium chloride' by the process of sublimation. china dish and placed on a tripod stand.
3. yes it is true we can separate salt and water by evaporation.
4. Hydrogen is a colorless, odorless, tasteless, and nonpoisonous gas under normal conditions on Earth. It typically exists as a diatomic molecule, meaning each molecule has two atoms of hydrogen; this is why pure hydrogen is commonly expressed as “H2“.
5. Sulphur is a non–metal with symbol S and atomic number 16. ... Because it's not placed in metal group in the periodic table. Because it is consistent with the 3 physical properties listed for non-metals.

Answer 2

Answer:

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Explanation:

1= false mixture has no definite properties

2=false it is actually a reversed change

3=ture

4=true

5=false a sulphur is not metalloid material