For a good quality cement,the ratio of silica to alumina is found to be
- A$2.5 - 4.0$
- B$4.5$
- C$2.0$
- D$1.5$
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Similar Questions
In which of the following sets are allotropes of carbon correctly matched with their uses?
$i$. graphite - crucibles
$ii$. activated charcoal - water filters
$iii$. carbon black - fuel
The correct answer is
$i$. graphite - crucibles
$ii$. activated charcoal - water filters
$iii$. carbon black - fuel
The correct answer is
What is the correct order of melting temperature of $C$, $Si$, $Ge$?
$A$ thin layer of aluminum deposited on glass acts as a good mirror because ...............
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View SolutionWhich of the following substances is known as lead sugar?
Easy
View SolutionIdentify $B$ in the following reaction:
$H_4SiO_4$ $\xrightarrow[{-H_2O}]{1000^{\circ}C} A$ $\xrightarrow[\Delta]{Carbon} B + CO$
$H_4SiO_4$ $\xrightarrow[{-H_2O}]{1000^{\circ}C} A$ $\xrightarrow[\Delta]{Carbon} B + CO$
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