MEDIUM
8th CBSE
IMPORTANT
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Write a word equation for the reaction of magnesium with oxygen.

Important Questions on Materials: Metals and Non-Metals

MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Very Short Answer Type Questions>Q 14
Iron metal reacts slowly with the oxygen and moisture of damp air to form rust. State whether the rust formed is acidic, basic or neutral.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Very Short Answer Type Questions>Q 15
Write the name of the gas evolved when a metal reacts with water. (Oxygen/Hydrogen)
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Very Short Answer Type Questions>Q 16
Write the name of the gas evolved when a metal reacts with dilute acid.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Very Short Answer Type Questions>Q 17
Name the second most reactive metal which reacts with dilute hydrochloric acid to produce hydrogen gas.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Very Short Answer Type Questions>Q 17
Write the name of the metal which is a good conductor of heat and does not react with dilute hydrochloric acid.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Very Short Answer Type Questions>Q 18
Which metal is more reactive: iron or zinc?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Very Short Answer Type Questions>Q 19
Which metal is less reactive: copper or iron?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 4 - Materials: Metals and Non-Metals>Very Short Answer Type Questions>Q 20
Name any five objects used in our everyday life which are made of metals.