Tag: chemistry
Questions Related to chemistry
Which of the following compounds is known as epsom salt ?
Gypsum on heating to $300^{o}C$ gives:
$30\ g$ of Magnesium and $30\ g$ of oxygen are reacted, then the residual mixture contains:
About $2.5\%$ gypsum $(CaSO _{4}.H _{2}O)$ is also added to cement as one of the consituents its function is to:
A metal $M$ readily forms its sulphate $MSO _{4}$ which is water soluble. It forms its oxide $MO$ which becomes inert on heating. It forms an insoluble hydroxide $M(OH) _{2}$ which is soluble in $NaOH$ solution. Then M is:
Several blocks of magnesium are fixed to the bottom of a ship to:
Gypsum is not chemically similar to:
Potash magnerin is:
Dead burnt plaster is :
When heated in steam, Mg burns brilliantly producing: