Chemistry - MOST IMPORTANT Executive Previous Year Questions
Practice real questions from previous year exams of Executive.
📘 Organic Chemistry📚 Hydrocarbons
Q1
Which of the following best describes the structure of benzene?
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📘 Acids, Bases and Salts📚 Chemical Properties of Base
Q2
Which of the following reactions is an example of a non-metallic oxide reacting with a base?
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📘 Oxidation and Reduction📚 Reduction
Q3
In the following reaction, which substance is getting reduced?
MnO2 + 4HCl → MnCl2 + 2H2O + Cl2
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📘 Corrosion📚 General Facts
Q4
Which of the following is one of the methods to prevent the corrosion of metals?
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📘 Periodic Table📚 Modern Periodic Table
Q5
The modern periodic table is based on which of the following properties of an element?
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📘 Structure of Atom📚 Neutron
Q6
The nuclei of which of the following elements does have a neutron?
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📘 Oxidation and Reduction📚 Redox Reaction
Q7
The process of converting ammonia into nitrates is called:
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📘 Matter in Our Surroundings📚 General Facts
Q8
The common unit of measuring volume is litre (L), such that 1 L is equal to:
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📘 Important Chemical Compounds📚 Baking Soda
Q9
Which of the following elements is NOT present in baking powder?
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📘 Pure Substance- Compound-Classification of Matter on the basis of Chemical Properties- II📚 Organic Compound
Q10
Which of the following food products used in daily life is a carbon compound?
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📘 Acids, Bases and Salts📚 pH Scale
Q11
Which of the following solutions is NOT acidic?
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