Free tnpsc model questions Online Test - MeritNotes

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1. ______ is used in beauty parlours for hair setting.
 
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2. Which one of the following is the ore of lead?
 
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3. Which one of the following. When dissolved in HO gives hissing sound?
 
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4. What does the colour of a star indicate?
 
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5. Which one of the following is not a chemical change?
 
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6. The gas releases through the septic tank is
 
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7. The highest grade of coal whose surface is shining and has the highest calorific value, is
 
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8. Quartz is composed of
 
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9. Which one of the following materials is suitable for water purification?
 
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10. Nucleon is the name which is used for
 
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