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Aluminium is not used:
A. In silvery paints
B. For making utensils
C. As a reducing agent
D. As oxidiser in metallurgy

Last updated date: 16th Jul 2024
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Hint: Try to recall that aluminium is a light weight, soft, ductile, strong and malleable metal and is used for making a large variety of products. Now by using this you can easily find the correct option for the given question.

Complete step by step solution:
It is known to us that aluminium is the third most abundant element and also the most abundant metal found in earth’s crust.
It is used in a huge variety of products including cans, foils, kitchen utensils, aeroplane parts etc. This is because of its low density, high malleability and excellent resistance to corrosion.
Aluminium is also used as a reducing agent. This is because it has a strong tendency to release it’s 3 electrons to achieve a stable state by getting oxidized and thus act as a reducing agent.
Also, it is used for making aluminium paints also known as silvery paints. When aluminium powder is mixed with linseed oil, it shines like silver and hence is called silver paint.

Hence, from above we can easily say that option D is the correct option to the given question.

Note: It should be remembered that aluminium is used as a reducing agent for extraction of metals such as chromium and manganese from their respective oxides or ores and the process is known as aluminothermy process.
Also, Aluminium paints are used for protection of iron and zinc. This is because aluminium is more reactive than iron and zinc.