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प्रश्न
Select the correct answer from the choice in the bracket.
The formula of caustic soda.
विकल्प
KOH
Ca(OH)
NaOH
उत्तर
NaOH
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संबंधित प्रश्न
Select elements and compounds from the following list: Iron, plaster of paris, chalk, common salt, copper, aluminium, calcium oxide, cane sugar, carbon, silica, sodium sulphate, uranium, potassium carbonate, silver, carbon dioxide.
Define atomic mass unit. What is its symbol ?
Why is the symbol S for sulphur, but Na for sodium and Si for silicon?
Fill in the blank:
Dalton used symbol _____ for oxygen and _____ for hydrogen.
Give two examples of the following:
Liquid + Liquid mixture:
Give the symbol and the number of atoms of the following elements present in sodium chloride.
Give the symbol of the following element:
Arsenic
State the type of element for the following:
Sulphur
State the type of element for the following:
Xenon
Write the chemical formula of the following:
magnesium sulphate
