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