Which one of the following is not present in cement ?
A. Clay
B. Alumina
C. Alum
D. Gypsum
Answer: Option C
Solution(By Examveda Team)
Gypsum is added in calculated quantity in order to adjust the rate of setting of cement. Alum is not present in cement.Related Questions on Chemistry
Which of the following phenomenon is considered responsible for Global Warming?
A. Greenhouse effect
B. Fire in coal mines
C. Dry farming
D. Monsoon
E. Trade winds
The nucleus of an atom consists of
A. electrons and neutrons
B. electrons and protons
C. protons and neutrons
D. All of the above
The number of moles of solute present in 1 kg of a solvent is called its
A. molality
B. molarity
C. normality
D. formality
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