
Metals and non-metal - O
Authored by Shraddha Bijalwan
Chemistry
8th - 10th Grade
Used 41+ times

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18 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Properties of substances W, X, Y and Z are listed below:
W: A liquid metal
X: A liquid non-metal
Y: A gaseous non-metal
Z: A non-metal which conducts electricity
W, X, Y and Z are respectively
Iron, Iodine, hydrogen, and oxygen.
Gold, Sulphur, chlorine, and hydrogen
Copper, phosphorus, nitrogen, and carbon.
Mercury, bromine, oxygen, and graphite.
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sodium metal is kept immersed in kerosene oil because
It is a very reactive metal.
A lot of heat is evolved when sodium reacts with water.
It can even react with moisture present in air violently.
All of these.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
An unknown metal X when placed in copper sulphate, red brown pieces of copper fall to the bottom of the test tube. When metal X is placed in Aluminium sulphate solution, no change is observed. Metal X can be:
Sodium
Potassium
Iron
Calcium
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Substance X reacts with dilute HCl violently, Y reacts slowly while Z does not react at all. X, Y and Z could be respectively:
Cu, Al, Fe
Al, Na, Cu
Na, Cu, Fe
K, Al, Cu
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
In which of the following set-up’s reaction will take place?
i. Magnesium ribbon in copper sulphate solution.
ii. A few pieces of calcium in magnesium sulphate solution.
iii. Copper wire in zinc sulphate solution.
iv. Iron nails in magnesium sulphate solution.
(iii) and (iv) only
(i) and (iv) only
(ii) and (iii) only
(i) and (ii) only
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Match column I with column II and select the correct option from the given codes:
a-iii, b.-iv, c-i, d-ii
a-i, b- ii, c-iv, d- iii
a-ii, b-iii, c-i, d-iv
a-iv, b-i, c-ii, d-iii
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following statement is incorrect?
Gold and silver are the most malleable and ductile metals.
All metals are hard and strong.
Mercury and gallium are metals which exist in liquid state at room temperature.
Most of the metals have high specific gravities.
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