Chemical Reactions and Equations
Chemical Reactions and Equations Quiz
Test your knowledge on chemical reactions and equations with this engaging quiz! Whether you're a student or just curious about chemistry, this quiz offers a variety of questions to challenge your understanding.
Explore topics such as:
- Types of chemical reactions
- Balancing equations
- Identifying products and reactants
- Real-world applications of chemistry
What is skeletal chemical equation?
Which is balanced
Which does not contain physical states of reactants and products.
Which is unbalanced but contains physical states and symbols
Which is not balanced due to mass difference on both sides
Q.2) Arrange in proper sequence the steps to balance a chemical equation:-
1) Draw boxes around each formula.
2) Writing symbols of physical states.
3) Count number of each element on both sides of the equation.
4) List the number of atoms of different elements present in the equation.
5) Start balancing with the compound that contains the maximum number of atoms.
(1) (3) (2) (5) (4)
(1) (2) (3) (4) (5)
(1) (5) (2) (4) (3)
(1) (4) (5) (3) (2)
Burning of coal and burning of natural gas are respectively examples of which reaction?
Light decomposition and thermal decomposition
Combination and decomposition
Decomposition and displacement
Combination and combination
What is colour change when silver chloride is kept in light?
White to grey
Silver to black
White silver to grey
Grey to white
What is the precipitate if any, formed when sodium sulphate and barium chloride react with each other?
Barium chloride
Sodium sulphate
Barium sulphate
No precipitate formed
Ramu by mistake kept a copper utencil in moisture containing place. After few days he observed that there was green coating on copper utencil.What among the following might have happened with the copper utencil?
1) It had gone under redox reaction.
2) It had gone under corrosion.
3) It had gone under oxidation.
4) It had gone under reduction.
Only (1)
Only (2)
Only (3)
Both (2) and (3)
Soham took ferrous sulphate crystals in boiling tube and heated over a flame.While heating, he could smell odour of burning sulphur and observed colour change in the tube.Help Soham find what had happened in the tube.
Ferrous sulphate lose water.
Formation of ferric oxide , sulphur trioxide and vanishing of green colour.
All of these
Decomposition of vegetable matter into compost is example of -
Double displacement reaction
Endothermic reaction
Exothermic reaction
Combination reaction
What helps in reducing oxidation?
Keeping objects at safe place
Adding of antioxidants
Keeping in air tight containers
Both (2) and (3)
What happens to iron nail when dipped in copper sulphate solution?
Turns black
Turns brownish
Gets rusted
No change in nail
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