Write the chemical formula for plaster of paris.
CaSO4.H2O
CaCl2. 2H2O
CaSO4
CaSO4. 1/2 H2O
Which element has high ionization energy
Beryllium
Barium
Strontium
Radium
Calcium oxide reacts with chloride to produce______________
Epsom salt
Plaster of paris
Bleaching powder
Quick lime
The third abundant ion dissolved in the ocean is______________
Magnesium
Sodium
Which one of the following is known as alkaline earth metal?
Potassium
Calcium
Lithium
Second group elements are known as ______________
Alkali Metals
Alkaline earth metals
Transition metals
Inner transition metals
Magnesium is mainly present in which part of the plant?
Stem
Leaves
Fruits
Roots
Epsom salt is used as
Common salt
Purgatives
Bleaching agent
Drying agent
What will be the colour of the flame when beryllium and magnesium burns.
Crimson red
Apple greem
Brick Red
Colourless