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Earn 100

Which of the following metals react with dilute hydrochloric acid?

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Important Questions on Metals and Non-Metals

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Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
List one metal found in the free state in the earth’s crust and mention where it is located in the activity series.
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Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
The name of the metal that is immersed in kerosene oil is
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Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
What are amphoteric oxides?
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Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
How do acids and bases react with metals? Write the reaction for each reaction.
MEDIUM
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
What happens when metals are burnt in the air? Give one example.
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Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
Which metal is kept immersed in kerosene oil?
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Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
Which of the following metal is the most reactive?
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Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals

Write a chemical equation for the reaction taking place in the flask. Write name and one property of the gas evolved.

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MEDIUM
Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals

What are amphoteric oxides? Give an example.

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Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
What are amphoteric oxides? 
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Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
"Alloys of iron are more useful when compared to pure iron." Give reason. 
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Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals

Answer the following:

Why are highly reactive metals such as Aluminium is used as reducing agents?

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Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
What are amphoteric oxides?
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Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
Which metal produces dihydrogen (H2) gas by reaction with cold water?
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Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
What is the gas liberated when the metals react with dilute acids?
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Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
Give reason: "Aluminium with nitric acid does not produce hydrogen gas".
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Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
Draw electron dot structures of sodium (Na), oxygen (O), and magnesium (Mg).
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Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals

Why is sodium kept immersed in kerosene oil? 

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Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals

Attempt the following:

The metal sodium is kept immersed in Kerosene oil in the school laboratory. Why it is not kept the open?

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Science>Chemistry>Metals and Non-Metals>Chemical Properties of Metals
Why should we not throw small pieces of sodium into a laboratory sink?