Materials: Metals and Non-Metals
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The most abundant metal in earth crust is (a) Cu (b) Al (c) Fe (d) Zn
By Rohit1998, 3 years ago
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Galvanisation is a method of protecting iron from rusting by coating with a thin layer of ...
By Rohit1998, 3 years ago
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The most abundant element in the earth crust is (a) iron (b) oxygen (c) silicon (d) alumin...
By Rohit1998, 3 years ago
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196
The ability of metals to be drawn into wires is known as (a) ductility (b) conductivity (c...
By Rohit1998, 3 years ago
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172
The most abundant element in the universe is (a) hydrogen (b) oxygen (c) helium (d) carbon
By Rohit1998, 3 years ago
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281
Which of the following properties is generally not shown by metals? (a) Ductility (b) Sono...
By Rohit1998, 3 years ago
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470
A set of metals in order of their increasing chemical reactivity is given below: silver, c...
By Rohit1998, 3 years ago
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426
Name one metal which will fit each of the following descriptions. Also write the equation ...
By Rohit1998, 3 years ago
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640
Two metals which will liberate hydrogen from water. (b) One metal which is used to prepare...
By Rohit1998, 3 years ago
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552
Sodium is more reactive than magnesium. 2. Magnesium reacts with cold water. 3. All metals...
By Rohit1998, 3 years ago
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