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Chemistry

Chemistry
The important metal used with iron to produce stainless steel is

Chromium
Aluminium
Tin
Carbon

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Chemistry
Iron is prevented from rusting by coating with zinc. This process is called as

Galvanisation
Sublimation
Corrosion
Reduction

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Chemistry
The amount of chlorine available in water after disinfection is called as

Combined available chlorine
Residual chlorine
Free chlorine
Free available chlorine

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Chemistry
Carbon footprint can be reduced by

Using energy efficient appliances
All of these
Recycling waste materials
Commuting by public transport

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Chemistry
The most extensive, commercially useful source of thorium as monazite sand occurs in India at

West Bengal coast
Gujarat coast
Travancore coast
Orissa coast

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Chemistry
Among the following, carbonate ore of Zinc is

Zincite
Calamine
Zincblende
Sphalerite

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MORE MCQ ON Chemistry

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