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NAVNEET PUBLICATION-CARBON: AN IMPORTANT ELEMENT-EXERCISE
- Give scientific reasons: Graphite is not used in ornaments.
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- Limewater turns milky when CO2 is passed through it.
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- Give scientific reasons: Diamonds are used in rock drilling machines.
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- Give scientific reasons: Coke produces more heat than coal.
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- Give scientific reasons: Biogas is an eco-friendly fuel.
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- Give scientific reasons: Carbon dioxide is used in fire extinguishers...
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- Give scientific reasons: Methane is used as fuel.
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- Give the scientific reasons: The valency of carbon is 4.
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- Use your brain power Is the density CO2 more or less than that of air...
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- Distingusih between crystalline and amorphous solids.
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- Distinguish between Diamond and Graphite.
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- Describe the following chemical reactions giving their balanced equati...
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- Explain the following reactions with the help of balanced equations: ...
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- Explain the following reaction giving their balanced chemical equation...
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- Give balanced equation Methane burnt in air
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- Describe the following chemical reactions giving their balanced equati...
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- Complete the following chemical reactions: ……..+………. to CO2 +2H2O + H...
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- Complete the following chemical reactions: CH4 + Cl2 overset(light) ...
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- Complete the following chemical reactions: 2NaOH + CO2 rarr
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- Complete the following chemical reactions: Na2 CO3 +H2 O+CO2 to……….
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