(A) For a good quality cement,the chemical composition is strictly controlled to ensure proper setting and strength.The ratio of silica $(SiO_2)$ to a

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(A) For a good quality cement,the chemical composition is strictly controlled to ensure proper setting and strength.The ratio of silica $(SiO_2)$ to alumina $(Al_2O_3)$ is maintained in the range of $2.5-4.0$.Additionally,the ratio of lime $(CaO)$ to the sum of silica,alumina,and iron oxide $(SiO_2 + Al_2O_3 + Fe_2O_3)$ is kept between $2.0$ and $3.0$.

Class 11 Chemistry s-Block Elements Alkaline earth metals

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For a good quality cement,the ratio of silica to alumina should be in the range of:

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A
$2.5-4.0$
B
$0.1-1.0$
C
$1.0-1.5$
D
$5.0-8.0$

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s-Block Elements

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Alkaline earth metals

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$SrSO_4$ has a greater solubility in water than

Medium

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Match the following alkaline earth metals with their respective densities $(g/cm^3)$:
$A$. $Be$ $I$. $1.74$
$B$. $Mg$ $II$. $1.84$
$C$. $Ca$ $III$. $2.63$
$D$. $Sr$ $IV$. $1.55$

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The ionic carbide is

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Statement $A$: Calcium chloride $(CaCl_2)$ is not useful for drying alcohols or $NH_3$.
Reason $R$: $CaCl_2$ is not a good desiccant.

Medium

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Choose the correct statement$(s)$:
$A.$ Beryllium oxide is purely acidic in nature.
$B.$ Beryllium carbonate is kept in the atmosphere of $CO_2$.
$C.$ Beryllium sulphate is readily soluble in water.
$D.$ Beryllium shows anomalous behavior.
Choose the correct answer from the options given below:

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$A$. $Be$	$I$. $1.74$
$B$. $Mg$	$II$. $1.84$
$C$. $Ca$	$III$. $2.63$
$D$. $Sr$	$IV$. $1.55$

For a good quality cement,the ratio of silica to alumina should be in the range of:

Similar Questions

$SrSO_4$ has a greater solubility in water than

Match the following alkaline earth metals with their respective densities $(g/cm^3)$:$A$. $Be$$I$. $1.74$$B$. $Mg$$II$. $1.84$$C$. $Ca$$III$. $2.63$$D$. $Sr$$IV$. $1.55$

The ionic carbide is

Statement $A$: Calcium chloride $(CaCl_2)$ is not useful for drying alcohols or $NH_3$.Reason $R$: $CaCl_2$ is not a good desiccant.

Choose the correct statement$(s)$:$A.$ Beryllium oxide is purely acidic in nature.$B.$ Beryllium carbonate is kept in the atmosphere of $CO_2$.$C.$ Beryllium sulphate is readily soluble in water.$D.$ Beryllium shows anomalous behavior.Choose the correct answer from the options given below:

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Match the following alkaline earth metals with their respective densities $(g/cm^3)$:
$A$. $Be$ $I$. $1.74$
$B$. $Mg$ $II$. $1.84$
$C$. $Ca$ $III$. $2.63$
$D$. $Sr$ $IV$. $1.55$

Statement $A$: Calcium chloride $(CaCl_2)$ is not useful for drying alcohols or $NH_3$.
Reason $R$: $CaCl_2$ is not a good desiccant.

Choose the correct statement$(s)$:
$A.$ Beryllium oxide is purely acidic in nature.
$B.$ Beryllium carbonate is kept in the atmosphere of $CO_2$.
$C.$ Beryllium sulphate is readily soluble in water.
$D.$ Beryllium shows anomalous behavior.
Choose the correct answer from the options given below: