Name the substance which on treatment with chlorine yields bleaching powder.
$[Al_2O_3]$
$[CaO]$
$[Ca(OH)_2]$
$[CaOCO_3]$
Plaster of Paris should be stored in a moisture-proof container. Explain why ?
Which one of the following types of medicines is used for treating indigestion ?
Why should curd and sour substances not be kept in brass and copper vessels ?
While diluting an acid, why is it recommended that the acid should be added to water and not water to the acid ?
Compounds such as alcohols and glucose also contain hydrogen but are not categorised as acids. Describe an Activity to prove it.