Q. In the context of redox reactions, the removal of hydrogen from a substance is known as -
1) Oxidation
2) Dehydration
3) Reduction
4) Dehydrogenation
Q. Which of the following acids can decoloured potassium permanganate solution?
1) Sulphuric Acid
2) Citric Acid
3) Carbonic Acid
4) Hydrochloric Acid
Q. Which of the following inert gases does not have 8 electrons in its outermost cell?
1) Helium
2) Neon
3) Argon
4) Radon
Q. What is the basis of the most useful classification of medications in medical chemistry?
1) Chemical structure
2) Molecular targets
3) Pharmacological effect
4) None of the above
Q. Which of the following is a strong acid?
1) Hydrochloric Acid
2) Ethanoic Acid
3) Formic Acid
4) Carbonic Acid
Q. Normally, Covalent compounds are insoluble in water. Consider the following covalent compounds -
I. Glucose
II. Naphthalene
III.Sugar
IV. Urea
How many of the above is/are soluble in water?
1) Only 1
2) Only 2
3) Only 3
4) All 4
Q. The chemical formula of quick lime is -
1) CaO
2) CO2
3) CaCO3
4) Ca(OH)2
Q. What is the chemical formula of benzene?
1) C6H6
2) C6H4
3) C8H6
4) C6H8
Q. What is the colour of SO2 gas?
1) Blue
2) Grey
3) Colourless
4) Brown
Q. When a bottle of soda water is opened, carbon dioxide escapes, producing a fizz. This is due to -
1) Decrease in solubility on decreasing temperature
2) Decrease in solubility on increasing temperature
3) Decrease in solubility on decreasing pressure
4) Decrease in solubility on increasing pressure
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