Second group elements are known as
Alkali metals
Alkaline earth metals
Transition metals
Inner transition metals
Write the chemical name of plaster of paris
Calcium Sulphate
Calcium Sulphide Di hydrate
Calcium sulphate hemi hydrate
Calcium Sulphate Hydrate
The element Beryllium resembles its anomalous behavior with which group
1st group
10th group
12th group
13 th group
Write the chemical formula of bleaching powder
Ca(ClO)2
CaSO4.1 / 2 H2O
CaCl2
CaSO4. 2H2O
What is the main contact of slaked lime
Calcium Chloride
Calcium Carbonate
Calcium Hydroxide
Calcium Oxide
Name the main ore of magnesium
Magnesium oxide
Magnesite
Marble
Magnesium carbonate
Paste of lime is called
Plaster of paris
Bleaching powder
Milk of lime
Lime water
The third abundant dissolved ion in the ocean is
Magnesium
Sodium
Barium
Beryllium
The material used for making Moulds or statues are
Epsom Salt
Gypsum
Calcium sulphide
What is the colour barium when it burns
Brick red
Crimson red
Apple green
Whitish