Which of the following does not contain Mg: | vedclass

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(A) Magnetite is a rock mineral and one of the main iron ores,with the chemical formula $Fe_3O_4$. It does not contain $Mg$.Magnesite is a magnesium c

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magnetite

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(A) Magnetite is a rock mineral and one of the main iron ores,with the chemical formula $Fe_3O_4$. It does not contain $Mg$.Magnesite is a magnesium carbonate mineral with a chemical composition of $MgCO_3$.Asbestos is a group of minerals,and a common variety is $CaMg_3(SiO_3)_4$,which contains $Mg$.Carnallite is an evaporite mineral,a hydrated potassium magnesium chloride with the formula $KMgCl_3 \cdot 6H_2O$.

Compound	Uses
$1$. $CaCO_3$	$a$. In preparation of oils and fats
$2$. $NaOH$	$b$. As an antiseptic
$3$. $Ca(OH)_2$	$c$. As an antacid
$4$. $NaHCO_3$	$d$. For making bleaching powder

Which of the following does not contain $Mg$:

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Match the following:

Compound Uses

$1$. $CaCO_3$ $a$. In preparation of oils and fats

$2$. $NaOH$ $b$. As an antiseptic

$3$. $Ca(OH)_2$ $c$. As an antacid

$4$. $NaHCO_3$ $d$. For making bleaching powder

The chloride of an element gives a neutral solution in water. To which group of the periodic table does this element belong?

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