CBSE Class 8 Science - Materials Metals And Non-Metals (1)
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MATERIALS : METALS AND NON-METALS
1.Give one example of each: metals and non-metals.
2.Name the metal, which is the best conductor of heat and electricity.
3.Name the property by which metals can be drawn into thin wires. <
4.Name the gas produced, when metals reacts with acids.
5.What is the color of the copper sulphate solution?
6.State the nature of oxides of non-metals.
7.Which metal is stored in kerosene?
8.Name the property of the metal by which it can be drawn into thin sheets.<
9.What happens when sulphur reacts with oxygen?
10.Which non-metal catches fire, if exposed to air?
11.Name the gas that burns with a POP sound.
12.What are Displacement reactions?
13.Give one use of non-metal in our daily life.
14.What are metalloids?
15.Which metal is use to wrap food items?
16.Which among the following is a non-metal:
(A) Copper. (B) Zinc. (C) Iron. (D)Wood.
17.Which among the following is a metal?
(A) Zinc. (B) Wood. (C) Rubber. (D) Plastic.
18.Which among the following is the best conductor of electricity?
(A) Silver. (B) Iron. (C) Aluminum.. (D) Copper.
19.All ___________ are good conductors of heat and electricity.
(A) Metals. (B) Non-metals. (C) Metalloids. (D) Gases.
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