मराठी

Alloys are homogeneous mixtures of a metal with a metal or non-metal. Which among the following alloys contain non-metal as one of its constituents?

Advertisements
Advertisements

प्रश्न

Alloys are homogeneous mixtures of a metal with a metal or non-metal. Which among the following alloys contain non-metal as one of its constituents?

पर्याय

  • Brass

  • Bronze

  • Amalgam

  • Steel

MCQ
Advertisements

उत्तर

Steel

Explanation:

Steel is an alloy primarily composed of iron (a metal) and carbon (a non-metal). While other elements like manganese or chromium may be present, carbon is a key constituent that significantly influences steel properties, such as strength and hardness.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Metals and Non-metals - Multiple Choice Questions [पृष्ठ २२]

APPEARS IN

एनसीईआरटी एक्झांप्लर Science Exemplar Class 10
पाठ 3 Metals and Non-metals
Multiple Choice Questions | Q 26. | पृष्ठ २२

व्हिडिओ ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्‍न

Write two methods of preventing the rusting of iron.


Write a chemical equation to show the process of corrosion of iron.


Name the metal which is used for galvanising iron.


Fill in the following blank with suitable word:
The process of depositing a thin layer of zinc on iron articles is called .............


 Name any two metals which do not corrode easily.


What is the corrosion of iron known as?


Name two metals which resist corrosion due to the formation of a thin, hard and impervious layer of oxide on their surface.


Name an alloy of copper. State its chemical composition and any one use.


If copper is kept exposed to damp air for a considerable time, it gets a green coating on its surface. This is due to the formation of:
(a) hydrated copper sulphate
(b) copper oxide
(c) basic copper carbonate
(d) copper nitrate


Answer the following question:
What is corrosion? Do gold ornaments corrode? Justify.


Give reason.

An iron article should be given a coat of paint


Give a reason why rust turns moist red litmus blue.


 _______ forms a green colour in the water.


Pressure cooker : Anodizing : : Silver plated spoons : _______


Match the columns.

Group A Group B
1) Electroplating a) Pressure cooker
2) Anodising b) Silver plated spoons
  c) Coating of tin on copper
  d) Coating of Zinc on iron

Write scientific reason.

Coins are made from metals and alloys.


Give preventive methods by giving examples of corrosion?


The diagram shows the reaction between metal and dil. acid.

What is the reason for different behaviour of Mg in test tube B?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×