Question Detail

What is Calcium sulphate ?

epsom salt
blue vitriol
gypsum salt
potash alum

Answer: Option C

Similar Questions :

1. The metal used to recover copper from a solution of copper sulphate is ?

Na
Ag
Hg
Fe

Answer: Option D

2. Atomic number is equal to

Number of electrons
Number of nutron
Number of protons
Total number of protons and neutrons

Answer: Option C

3. Air is a

compound
colloid
element
mixture

Answer: Option D

4. Which one of the following gas is readily soluble in water at room temperature ?

chlorine
nitrogen
ammonia
carbon dioxide

Answer: Option D

5. What nucleus of atom contains ?

protons
electrons
electrons and protons
protons and neutrons

Answer: Option D

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