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WorksheetsMetals and Non- metals
Total questions: 10
Worksheet time: 6mins
Sodium is a _______
Insulator
Semi- conductor
Conductor
None of these
A substance that can be broken down into simpler substances by chemical or physical means
Elements
Compounds
Atom
Matter
At room temperature _____ is brittle, but it becomes somewhat malleable at 100 degree Celsius.
Sodium
Gold
Aluminum
Zinc
X reacts with cold water to form its respective hydroxide and hydrogen gas. It burns with a golden flame. Identify X
Pottasium
Sodium
Calcium
Magnesium
Oxides of some metals like Aluminum, Zinc, Lead and Tin reacts with both acids and bases. Such oxides are called ________
a) Neutral oxides
b) Amphoteric oxides
Both (a) and (b)
None of these
There are around ___ elements out of which __ are naturally occurring
118, 92
118, 82
108, 82
108, 92
_____ and ____ are 2 non- metals which show luster
Graphite, Iron
Iron, Iodine
Graphite ,Iodine
None of these
Assertion: Sodium and Potassium are soft, can be cut with a knife.
Reason: Sodium and Potassium are Non-Metals
a) Both Assertion and Reason is correct and Reason is the correct explanation of Assertion.
b) Both Assertion and Reason is correct but Reason isn't the correct explanation of Assertion.
c) Assertion is correct but Reason is wrong
d) Assertion is wrong and Reason is correct
Assertion: A non-metal Sulphur is placed in the metal reactivity Series
Reason: A non metal in the Reactivity Series help in comparing the reactivity of the metals
a) Both Assertion and Reason is correct and Reason is the correct explanation of Assertion.
b) Both Assertion and Reason is correct but Reason isn't the correct explanation of Assertion.
Assertion is correct but Reason is wrong
Assertion is wrong and Reason is correct.
Assertion: Aluminium is ideal for aircraft manufacture.
Reason: It is light weight and strong, making it more fuel efficient.
Both Assertion and Reason is correct and Reason is the correct explanation of Assertion.
Both Assertion and Reason is correct but Reason isn't the correct explanation of Assertion.
Assertion is correct but Reason is wrong.
Assertion is wrong and Reason is correct.
