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WorksheetsLanguage of Chemistry - 8th grade
Total questions: 15
Worksheet time: 11mins
The combining capacity of an element is known as
The valency of helium is
What is the symbol for Sodium?
Sa
So
Na
Sd
What is the symbol of Magnesium?
Mn
Mg
Me
Ma
A positive radical is also called (a) .
The correct symbol of Chlorate is...
ClO2−
ClO−
ClO3−
ClO4−
What is the name of the following compound?
K2C2O4
Potassium Oxide
Potassium Oxalate
Potassium Carbonate
Potassium Chlorate
Formation of a precipitate is indicated by a ___
Upward arrow
right arrow
downward arrow
left arrow
Substances that are formed as a result of chemical reaction are called _____
Reactants
resultant
precipitate
Products
All of the above
Substances which take part in in a chemical reaction are called the ____
Reactant
Product
Solids
Chemicals
What is the chemical formula of sulphuric acid?
H2SO3
HSO4
H2SO4
H4SO3
None of above
Colour of barium carbonate is ____.
White
green
yellow
In an exothermic reaction,
heat is absorbed.
heat is evolved.
there is no change in energy.
The Latin name of Silver is :
Argantum
Argentam
Argentum
Argentom
Molecular mass of water is :
16 u
18 u
20 u
22 u
