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Write three differences between a metal and a non-metal. Give examples.

Important Questions on Material : Metals and Non-Metals

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Aluminium is a metal.

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Copper is a metalloid.

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Which one of the following is a non-metal?
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Compare the following properties of metals and non-metals: malleability, lustre, and hardness.
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Science>Chemistry>Material : Metals and Non-Metals>Physical Properties of Metals and Non-metals
Before Diwali, on Dhanteras day your mother wants to buy which metal?
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Science>Chemistry>Material : Metals and Non-Metals>Physical Properties of Metals and Non-metals
A purple coloured solid halogen is
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Science>Chemistry>Material : Metals and Non-Metals>Physical Properties of Metals and Non-metals
Graphite and diamond are non-metals.
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Science>Chemistry>Material : Metals and Non-Metals>Physical Properties of Metals and Non-metals
Give reason - pure gold is not used for making jewellery.
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Science>Chemistry>Material : Metals and Non-Metals>Physical Properties of Metals and Non-metals

Differentiate between metals & non-metals on the basis of - 

(a) Lustre                                (b) Density

(c) Malleability and ductility  (d) Sonority

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How will you differentiate between metals and non-metals? Write down the observation and the products formed when sodium and magnesium reacts with oxygen and water.
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Science>Chemistry>Material : Metals and Non-Metals>Physical Properties of Metals and Non-metals
A student classified the following materials. What label did the student most likely place on boxes P and Q?
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Science>Chemistry>Material : Metals and Non-Metals>Physical Properties of Metals and Non-metals
Which precious metal is worn by our teacher?
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Science>Chemistry>Material : Metals and Non-Metals>Physical Properties of Metals and Non-metals
Give the basic demarcation of the Modern Periodic Table into metals, metalloids and non-metals with special reference to halogens and noble gases.
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Science>Chemistry>Material : Metals and Non-Metals>Physical Properties of Metals and Non-metals
What are the three forms of carbon? Describe them.
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Science>Chemistry>Material : Metals and Non-Metals>Physical Properties of Metals and Non-metals
State four differences between metals and non-metals.
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Science>Chemistry>Material : Metals and Non-Metals>Physical Properties of Metals and Non-metals

Write the quadrants in which the following points lie:

-4,7

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Science>Chemistry>Material : Metals and Non-Metals>Physical Properties of Metals and Non-metals
Classify the following elements into metals, non-metals and metalloids:
Copper, Sulphur, aluminium, oxygen, silicon, nitrogen, germanium, mercury, chlorine, sodium.
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Read the passage and answer the questions.
In a chemistry lab exam, six different substances-A, B, C, D, E and F-are provided to the students, along with certain facts about each substance. A, C and F are metals, while B and E are non-metals. A, D and E are liquids. Substances A and F are silver to silvery-white in colour. Substance B is a good conductor of heat, and both B and C are used to make jewellery. F is a substance that is soft enough to be cut with a knife. F reacts with D to produce a hydroxide, with release of hydrogen gas.
Which of the above substances is neither a metal nor a non-metal?
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Form groups of 4-5 students. Look around and make a list of at least 10 objects that you see. Identify the material they are made of.
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Science>Chemistry>Material : Metals and Non-Metals>Physical Properties of Metals and Non-metals
Carbon and boron are metals.