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WorksheetsChemistry test 6,8
Total questions: 16
Worksheet time: 3mins
What will happen if carbon dioxide gas is passed through lime water ?
Calcium carbonate is formed
The lime water turns milky
Both of these
None of these
Which of the following places is most likely to be affected by a cyclone?
Mumbai
Puri
Goa
Porbandar
The winds from oceans carry water and bring rain. These winds are called
(a)
Galvanisation is a process used to prevent the rusting of which of the following?
Iron
Zinc
Aluminium
Copper
What is the formula of rust?
Fe2O3
Fe3O4
FeO
None of these
What is a cyclone?
Winds from the oceans carrying water
Very low pressure system with very high speed winds revolving around it
Dark funnel shaped cloud that reaches from the sky to the ground
None of these
Pick the odd one out
Cyclone
Hurricane
Monsoon
Typhoon
Iron pillar near the Qutub Minar in Delhi is famous for the following facts. Which of these facts is responsible for its long stability?
It is more than 7 metres high
It weighs about 6000 kg
It was built more than 1600 years ago
It has not rusted after such a long period
1. Changes that lead to the formation of new substances are called ……………
(a)
Air around us exerts pressure.
True
False
When you cut an apple with knife interactions between the apple and the knife take place.
True
False
Eruption of volcano is a reversible change.
True
False
A cyclone warning can be issued
48 hours in advance
12 hours in advance
6 hours in advance
24 hours in advance
The brown layer deposited on an iron nail dipped in copper sulphate solution is due to ………………….
(a)
A brown layer formed when an iron article is left exposed in an open area is called ………………
(a)
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