Related Questions

Which one of the following elements does not form solid hydrogen carbonate?
A Sodium
B Potassium
C Caesium
D Lithium
Sodium carbonate (soda ash) is not used in the manufacture of
A Fire extinguishers
B Sugar
C Baking powder
D Detergents
Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate
A Is prone to thermal decomposition
B Has high water solubility and is unstable
C Is soluble in ammonium chloride and potassium chloride solution
D All of the above
Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ?
A Methylene blue
B Methyl red
C Phenolphthaline
D Methyl orange
Among the following, carbonate ore of Zinc is
A Zinc blende
B Calamine
C Sphalerite
D Zincite
5% Sodium carbonate solution এর মোলারিটি কত?
A 0.88 M
B 0.98 M
C 0.47 M
D 0.74 M
What is the other name of sodium carbonate?
A Baking soda
B Washing soda
C Baking powder
D No option is correct
Sodium Carbonate is commonly known as
A Baking Soda
B Washing Soda
C Caustic Soda
D Caustic Potash
If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to
A Total alkalinity
B Total hardness
C Total hardness total alkalinity
D Non carbonate hardness
A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be
A Silver
B Copper
C Aluminium
D Zinc

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