Advertisements
Advertisements
प्रश्न
Alloys are homogeneous mixtures of a metal with a metal or nonmetal. Which among the following alloys contain non-metal as one of its constituents?
पर्याय
Brass
Bronze
Amalgam
Steel
उत्तर
Steel
Explanation -
Steel is an alloy of iron with other metals like nickel, chromium, niobium and carbon.
APPEARS IN
संबंधित प्रश्न
Which metals do not corrode easily?
The chemical reaction involved in the corrosion of iron metal is that of:
(a) oxidation as well as displacement
(b) reduction as well as combination
(c) oxidation as well as combination
(d) reduction as well as displacement
Fill in the following blank with suitable word:
The corrosion of copper produces a .............. coating of basic copper carbonate on its surface
What are the constituents of stainless steel?
What are the special properties of stainless steel?
Explain why, when a copper object remains in damp air for a considerable time, a green coating is formed on its surface. What is this process known as?
In stainless steel alloy, iron metal is mixed with:
(a) Cu and Cr
(b) Cr and Ni
(c) Cr and Sn
(d) Cu and Ni
Mention two uses of the following metals and non-metals
Iron
Name the metal which is a constituent of blood pigment?
State under what conditions corrosion is faster ?
What are the adverse effects of corrosion?
What is "rusting"? Describe with a labelled diagram an activity to investigate the conditions under which iron rusts.
Find the odd one out and give its explanation.
What is rust?
Give the equation for the formation of rust.
State two conditions necessary for rusting of iron.
Explain the following:
Lime water turns milky on passing carbon dioxide gas into it.
Give an example of a chemical reaction for each of the following situations:
Sound is produced
Explain the chemical reactions in rusting of iron.