MEDIUM
10th ICSE
IMPORTANT
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The electronic configuration of three metals X, Y, and Z are:

-X- 2, 8;  Y-2, 8, 7; Z - 2, 8, 2

Which of the following correct?

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Important Questions on Metals and Non-metals

EASY
10th ICSE
IMPORTANT

Aluminium is used for making cooking utensils. Which of the following properties of the aluminium is responsible for the same?

(1) Good thermal conductivity (ii) Good electrical conductivity (iii) Ductility (iv) High melting point

EASY
10th ICSE
IMPORTANT
Metal X reacts vigorously with water to produce gas Y, which burns with a "pop" sound. Choose the option for X and Y.
EASY
10th ICSE
IMPORTANT

Which of the following metals exist in their native states in nature?

(i) Cu (ii) Au (iii) Zn (iv) Ag

EASY
10th ICSE
IMPORTANT
Sodium metal is stored in X because it reacts vigorously with air to produce Y. Choose the correct option from X and Y.
MEDIUM
10th ICSE
IMPORTANT

Read the following statements carefully and select the correct statement about the physical and chemical properties of metals.

(i) All metals are ductile.

(ii) Generally metals are ductile.

(iii) Metals that are more reactive than hydrogen reacts with acids to release hydrogen.

(iv) All metals react with acids to release hydrogen gas.

EASY
10th ICSE
IMPORTANT
Which of the following metals is used in filament of an electric bulb?
EASY
10th ICSE
IMPORTANT

Correct the statement by substituting the X and Y with correct options. X can't be drawn into wires because it is not Y in nature.

 

MEDIUM
10th ICSE
IMPORTANT

Which of the following oxide(s) of iron would be obtained, on the prolonged reaction of iron with steam?