"The difference between isotopes of an element is due to the presence of a different number of"

1. " Protons"

2. "Neutrons"

3. "Electrons"

4. "Photons"

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Correct Answer :
"

Neutrons

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"The development of the ultra microscope makes use of the"

1. "Edison effect"

2. "Tyndall effect"

3. "Brownian motion"

4. "Zeeman effect"

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Correct Answer :
"

Tyndall effect

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"The chemical name of quartz is"

1. "calcium oxide"

2. "calcium phosphate"

3. "sodium phosphate"

4. "sodium silicate"

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"

sodium silicate

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"The chief constituent of gobar gas (Bio Gas) is"

1. "methane"

2. "ethane"

3. "propane"

4. "chloride"

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Correct Answer :
"

methane

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"The acids generally stored in batteries is"

1. "Sulphuric Acid"

2. "Nitric Acid"

3. "Hydrochloric Acid"

4. "Acetic Acid"

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Correct Answer :
"

Sulphuric Acid

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"The alum used for purifying water is"

1. "potash alum"

2. "ammonium alum"

3. "chrome alum"

4. "ferric alum"

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Correct Answer :
"

potash alum

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"Sodium Chloride, Potassium Chloride and Magnesium Oxide are examples of molecules with"

1. "Covalent Bonding"

2. "Ionic Bonding"

3. "Metallic Bonding"

4. "Hydrogen Bonding"

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"

Ionic Bonding

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"Sugars are converted in the liver into"

1. "CO2 and H2O"

2. "Monosaccharide"

3. "Vitamin"

4. "Glycogen"

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Correct Answer :
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Glycogen

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"Silk is a"

1. "Fat"

2. "Carbohydrate"

3. "Hydrocarbon"

4. "Protein"

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Correct Answer :
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Protein

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"People working in asbestos factories are affected by air pollution. The most affected part of their body is the"

1. "Eye"

2. "Throat"

3. "Lung"

4. "Skin"

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Correct Answer :
"

Lung

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