16 Questions
What type of reaction is also known as a synthesis reaction?
Combination reaction
What is the product of the reaction between iron and sulphur?
FeS
When carbon burns in oxygen, what gaseous compound is formed?
CO2
In which type of reaction can an element and a compound combine to give one product?
Combination reaction
What is the product of the combination of ammonia and hydrogen chloride?
NH4Cl
Which type of reaction involves two or more compounds combining to form a single product?
Combination reaction
What gas is evolved when lead nitrate is heated in a test tube?
Nitrogen dioxide gas
What is the pale yellow solid left behind when lead nitrate is heated?
Lead monoxide
In the displacement reaction shown in the figure, what element is displaced by zinc from the copper sulphate solution?
Copper
What gas is evolved that turns moist blue litmus paper into red when lead nitrate is heated?
Nitrogen dioxide gas
What compound does potassium nitrate decompose into on strong heating?
Calcium oxide and carbon dioxide
What does ammonia solution move faster than in the given example?
Hydrogen chloride
What is the color of the copper sulphate solution after zinc displaces copper from it?
[green]
What does iron displace from the blue copper sulphate solution in the reaction shown in the figure?
[copper]
In displacement reactions, what type of element displaces another element from a compound?
[active]
What turns colorless due to the formation of zinc sulphate and a reddish brown copper deposited on zinc in the given example?
[copper sulphate solution]
Test your knowledge on the different types of chemical reactions such as combination, decomposition, displacement, and double displacement reactions. Learn about the characteristics and examples of each type of reaction.
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