what is lustre
metals and non-metals ch 3 ncert class 10

Quiz
•
Mohammed faraaz
•
Chemistry
•
10th Grade
•
456 plays
•
Hard
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
metallic shine
brittleness
can be beaten into thin sheets
can be drawn into wires
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
which of these are properties of non-metals?
form basic oxides
are brittle
are electron gainers
are mostly solid and gas
3.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
metal+oxygen=
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
copper(II) oxide is
black in colour
yellow in colour
grey in colour
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
_____________ is a process of forming of thick oxide layer of aluminium.
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
which of these are amphoteric oxides?
aluminium oxide
lithium oxide
zinc oxide
magnesium oxide
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
which of these metals is liquid in room temperature?
Hg
Ga
Ni
Cs
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
which of these is the formula for sodium aluminate
NaOAl2
NaO2Al3
NaAlO2
NaAlO3
9.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of these react violently with cold water?
potassium
calcium
zinc
copper
sodium
10.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
which pair of metals do not react with water at all?
copper and aluminium
silver and zinc
gold and lead
aluminium and ferrous
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