Chemical Reaction and Equation

An educational illustration featuring chemical reactions, molecular structures, and symbols, in a colorful, engaging design suitable for a chemistry quiz landing page.

Chemical Reactions Challenge

Test your knowledge of chemical reactions and equations with this engaging quiz! Perfect for students and anyone interested in chemistry, this quiz will challenge your understanding of fundamental concepts.

Get ready to explore topics such as:

  • The properties of common compounds
  • The chemical processes in everyday life
  • Rancidity and its prevention
10 Questions2 MinutesCreated by ReactingMolecule42
The chemical formula of lead sulphate is
Pb2SO4
Pb(SO4)2
PbSO4
Pb2(SO4)3
Which information is not conveyed by a balanced equation
Physical state of reactants and products
Symbol and formula of all the substances involved in a particular reaction
Number of atoms/molecules of the reactants and products formed
Whether a particular reaction is feasible or not
Chemically rust is
Hydrated ferrous oxide
Only ferric oxide
Hydrated ferric oxide
None of these
Both CO2 and H2 gases are
Havier than air
Acidic in nature
Colourless
Soluble in water
When a magnesium ribbon is air the ash formed is
Black
White
Yellow
Pink
The electrolytic decomposition of water gives H2 and O2 in the ratio of
1:2 by volume
2:1 by volume
8:1 by mass
1:2 by mass
Fatty acid become rancide due to the process of
Oxidation
Corrosion
Reduction
Hydrogenation
In which of the following heat energy will involve
Electrolysis water
Dissolution of HH4Cl in water
Burning of LPG
Decomposition of AgBr in the presence of sunlight
Rancidity can be prevented by
Adding antioxidant
Storing food away from light
Keeping food in refrigerator
All of these
The reaction H2 gas with oxygen gas to form water is an example of
Combination reaction
Redox reaction
Exothermic reaction
All of these
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