The third abundant ion dissolved in the ocean is______________
Magnesium
Sodium
Barium
Beryllium
Which one of the following is known as alkaline earth metal?
Potassium
Calcium
Lithium
Beryllium resembles which one of the element in the 13th group?.
Aluminum
Germanium
Beryllium resembles which one of the element in the 13th group?
Write the chemical name of plaster of paris
Calcium Sulphate
Calcium Sulphide Di hydrate
Calcium sulphate hemi hydrate
Calcium Sulphate Hydrate
Epsom salt is used as
Common salt
Purgatives
Bleaching agent
Drying agent
Paste of lime is called_______________
Plaster of paris
Bleaching powder
Milk of lime
Lime water
Which is known as quick lime
Calcium carbonate
Calcium oxide
Calcium sulphate
Calcium chloride
Which element has high ionization energy
Strontium
Radium
