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CBSE Notes 2011-2012 » VIII-Science

Materials : Metals and Non-Metals

In extraction of copper, the flux used is

Multiple choice question

In extraction of copper, the flux used is

Alloys are homogeneous mixtures of a metal with a metal or non-metal. Which among the following allo...

Multiple choice question

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?

Which of the following is purest form of carbon?

Multiple choice question

Which of the following is purest form of carbon?

The most abundant element in the earth crust is

Multiple choice question

The most abundant element in the earth crust is

Galvanisation is a method of protecting iron from rusting by coating with a thin layer of

Multiple choice question

Galvanisation is a method of protecting iron from rusting by coating with a thin layer of

The most abundant metal in earth crust is

Multiple choice question

The most abundant metal in earth crust is

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