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Home/chemistry exam questions/Page 18

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Deepanjali
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Asked: August 13, 2021In: Chemistry

Action of water or dilute mineral acids on metal can give:

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A. Monohydrogen B. Tritium C. Dihydrogen D. Trihydrogen

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Deepanjali
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Asked: August 13, 2021In: Chemistry

Heavy water is obtained by:

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A. Boiling B. Fractional distillation of water C. Prolonged electrolysis of water D. None of these

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Deepanjali
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DeepanjaliEnlightened
Asked: August 13, 2021In: Chemistry

The high density of water compared to ice is due to

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A. Hydrogen bonding interaction B. Dipole-dipole interaction C. Dipole induced dipole interaction D. Induced dipole induced dipole interaction

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Deepanjali
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DeepanjaliEnlightened
Asked: August 13, 2021In: Chemistry

Nascent hydrogen consists of:

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A. Hydrogen atoms with excess energy B. Hydrogen molecules with excess energy C. Hydrogen ions in the excited state D. Solvated protons

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Deepanjali
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DeepanjaliEnlightened
Asked: August 13, 2021In: Chemistry

Heavy water is so cool because it is:

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A. Heavy liquid B. An oxide of heavier isotope of oxygen C. An oxide of deuterium D. Denser than water

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Deepanjali
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DeepanjaliEnlightened
Asked: August 13, 2021In: Chemistry

Stronger the oxidising agent, greater is the:

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A. Standard reduction potential B. Standard oxidation potential C. Ionic nature D. None

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Deepanjali
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DeepanjaliEnlightened
Asked: August 13, 2021In: Chemistry

A smuggler could not carry gold by depositing iron on the gold surface since:

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A. Gold is denser B. Iron rusts C. Gold has higher electrode potential than iron D. Gold has lower electrode potential than iron

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Deepanjali
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DeepanjaliEnlightened
Asked: August 13, 2021In: Chemistry

When a substance is oxidised, its:

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A. Oxidation number raised B. Oxidation number lowered C. Oxidation number remains unchanged D. None of these

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Deepanjali
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DeepanjaliEnlightened
Asked: August 13, 2021In: Chemistry

Which of the following is best reducing agent?

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A. HF B. HCl C. HBr D. HI

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Deepanjali
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DeepanjaliEnlightened
Asked: August 12, 2021In: Chemistry

Which one given below is a non-reducing sugar?

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A. Sucrose B. Maltose C. Lactose D. Glucose

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