Select the odd one out: Sodium sulphate, Barium chloride, Magnesium sulphate, Bleaching powder.
NaHCO3 is also called as .................... .
Rock salt is .................... in colour.
Select the odd one out: Strontium – 89, Strontium – 90, Radium – 223, Iodine – 123.
Soap is .................... in nature.
Which gas is released during the process of photosynthesis?
What is the chemical formula of baking soda?
What is the primary component of natural gas?
Strong odour in swimming pool is due to .................... .
Bleaching powder is also called .................... .
Select the odd one out: Boron-10, Iodine – 131, Cobalt – 60, Iodine – 123.
Select the odd one out: Soap, Toothpaste, Baking soda, Curd.
.................... is known as chloride of lime.
Baking soda is
The fixed number of molecules of water in alum is .................... .
Select the odd one out: Na2CO3.10H2O, Na2SO4.10H2O, BaCl2.2H2O, CaOCl2
Which substance is commonly used as a disinfectant in swimming pools?
Which of the following is a non-metallic element essential for human bone formation?
The molecular formula for baking soda is .................... .
Substance used to make hard water soft is .................... .
Molecular formula for magnesium bromide is .................... .
What is the chemical name of common salt?
Salt obtained from certain type of rock is called .................... .
Chlorine gas is a strong .................... agent.
During electrolysis of NaCl in the fused state .................... is formed at cathode.
Melting point of NaCl is .................... .
The .................... % aqueous solution of salt is called brine.
The molten state of NaCl is also called as .................... .
Bleaching powder is .................... in colour.
Select the odd one out: Na2SO4, K3PO4, MgBr2, HCl.
