Why is cement known as Portland cement?
(N/A) Cement is known as Portland cement because its hardened form resembles the natural limestone quarried on the Isle of Portland in England.
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Similar Questions
Among the alkaline earth metals ($Be$,$Mg$,$Ca$,and $Sr$) of group $IIA$,which one forms an ionic chloride?
Medium
View SolutionWhich of the alkaline earth metals is the strongest reducing agent?
Easy
View SolutionReaction of $BeCl_{2}$ with $LiAlH_{4}$ gives.
$(A)$ $AlCl_{3}$; $(B)$ $BeH_{2}$; $(C)$ $LiH$; $(D)$ $LiCl$; $(E)$ $BeAlH_{4}$
Choose the correct answer from options given below.
$(A)$ $AlCl_{3}$; $(B)$ $BeH_{2}$; $(C)$ $LiH$; $(D)$ $LiCl$; $(E)$ $BeAlH_{4}$
Choose the correct answer from options given below.
Why are $BeSO_4$ and $MgSO_4$ readily soluble in water while $CaSO_4, SrSO_4$ and $BaSO_4$ are insoluble?
Medium
View SolutionWater is periodically sprinkled on cement plasters during curing. What does this help in?
Difficult
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