Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field?
The suspension of slaked lime in water is known as
1. lime water
2. quick lime
3. milk of lime
4. washing of lime
In context with beryllium, which one of the following statements is incorrect?
1. It is rendered passive by nitric acid
2. It forms
3. Its salts rarely hydrolyze
4. Its hydride is electron-deficient and polymeric
The most acidic oxide among the following is -
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?
An active ingredient in bleaching powder that aids in the bleaching action is -