Question Detail

What is Calcium sulphate ?

epsom salt
blue vitriol
gypsum salt
potash alum

Answer: Option C

Similar Questions :

1. All noble gases are ?

colourless
colourless
colourless and odourless
colourless and but have odour

Answer: Option C

2. The most abundant element in the earth's crust is ?

Aluminium
Nitrogen
Silicon
Oxygen

Answer: Option D

3. The most electropositive elements among the following is :

Cs
Ca
Na
Br

Answer: Option A

4. The nuclear particles which are assumed to hold the nucleons together are ?

positrons
neutrons
electrons
mesons

Answer: Option D

5. The luster of a metal is due to :

high polishing
high density
chemical inertness
presence of free electrons

Answer: Option D

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