EASY
Earn 100

Which is the alloy of copper and tin?

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Important Questions on Metals and Non-Metals

MEDIUM
Science>Chemistry>Metals and Non-Metals>Corrosion
An alloy that does not contain copper is:
EASY
Science>Chemistry>Metals and Non-Metals>Corrosion
Silver articles become black on prolonged exposure to air. This is due to the formation of 
EASY
Science>Chemistry>Metals and Non-Metals>Corrosion
Which metal doesn't corrode easily?
EASY
Science>Chemistry>Metals and Non-Metals>Corrosion
Why do we apply paint on iron articles?
EASY
Science>Chemistry>Metals and Non-Metals>Corrosion
Write composition, its percentage and uses of any three alloys.
MEDIUM
Science>Chemistry>Metals and Non-Metals>Corrosion
Which elements are used for galvanization?
EASY
Science>Chemistry>Metals and Non-Metals>Corrosion
Which is not a step of metallurgy?
EASY
Science>Chemistry>Metals and Non-Metals>Corrosion
Silver articles become black when kept in open for some time, whereas copper vessels lose their shiny brown surfaces and gain a green coat when kept in open. Name the substances present in air with which these metals react and write the name of the products formed.
EASY
Science>Chemistry>Metals and Non-Metals>Corrosion
In which of the following alloys is zinc present?
EASY
Science>Chemistry>Metals and Non-Metals>Corrosion
Which alloy is used in the preparation of statues?
EASY
Science>Chemistry>Metals and Non-Metals>Corrosion
What is corrosion? 
MEDIUM
Science>Chemistry>Metals and Non-Metals>Corrosion
Solder is an alloy of lead and tin. Give one property of solder.
HARD
Science>Chemistry>Metals and Non-Metals>Corrosion
Why do we apply paint on iron articles?
MEDIUM
Science>Chemistry>Metals and Non-Metals>Corrosion
Corrosion of copper gives rise to a green coating known as _____.
MEDIUM
Science>Chemistry>Metals and Non-Metals>Corrosion
If copper is kept open in air, it slowly loses its shining brown surface and gains a green coating. It is due to the formation of 
EASY
Science>Chemistry>Metals and Non-Metals>Corrosion
What are alloys?
EASY
Science>Chemistry>Metals and Non-Metals>Corrosion

Solder is an alloy of lead and tin.

State one important use of water.

 

MEDIUM
Science>Chemistry>Metals and Non-Metals>Corrosion

Name the following:

An alloy of copper and zinc.

MEDIUM
Science>Chemistry>Metals and Non-Metals>Corrosion

Choose the major metals from the following list to make the alloys given below: Calcium, copper, lead, aluminium, zinc, chromium, magnesium and iron.
(i) Stainless steel

(ii) Brass.

MEDIUM
Science>Chemistry>Metals and Non-Metals>Corrosion
Name the alloy of zinc used in the simple voltaic cells.