A compound that releases CO2 most easily upon heating is -
Which of the following biologically important ions is also a constituent of sodium pump?
Solubility of alkaline earth metal sulphates in water decreases in the sequence-
1. Mg > Ca > Sr >Ba
2. Ca > Sr > Ba > Mg
3. Sr > Ca > Mg > Ba
4. Ba > Mg > Sr > Ca
Which one of the following alkali metals forms only the normal oxide M2O on heating in air?
In replacement reaction
The reaction will be most favorable if M happens to be -
An active ingredient in bleaching powder that aids in the bleaching action is -
Match List I with List II for the composition of substances and select the correct answer using the code given below:
|(A) Plaster of paris||(i) CaSO4. 2HO|
|(B) Epsomite||(ii) CaSO4.½H2O|
|(C) Kieserite||(iii) MgSO4.7H2O|
|(D) Gypsum||(iv) MgSO4.H2O|
A compound that has higher hydration enthalpy than the lattice enthalpy is :
Among the given options, what is the property of the alkaline earth metals that increases with their atomic number?
1. Solubility of their hydroxides in water
2. Solubility of their sulphates in water
3. Ionization energy
Which one of the following compounds is a peroxide?