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