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Balance the chemical equation.
\[\ce{HNO3 +Ca(OH)2 -> Ca(NO3)2 + H2O}\]
Concept: undefined >> undefined
Balance the following chemical equation.
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
Concept: undefined >> undefined
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Balance the following chemical equation.
\[\ce{NaCl + AgNO3 -> AgCl + NaNO3}\]
Concept: undefined >> undefined
Balance the following chemical equation.
\[\ce{BaCl2 + H2SO4 -> BaSO4 + HCl}\]
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Translate the following statement into chemical equation and then balance it.
Hydrogen gas combines with nitrogen to form ammonia
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Translate the following statement into chemical equation and then balance it.
Hydrogen sulphide gas burns in the air to give water and sulphur dioxide.
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Translate the following statement into chemical equation and then balance it.
Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate.
Concept: undefined >> undefined
Translate the following statement into chemical equation and then balance it.
Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.
Concept: undefined >> undefined
Write the balanced chemical equation for the following reaction.
\[\ce{Barium chloride + Potassium sulphate → Barium sulphate + Potassium chloride}\]
Concept: undefined >> undefined
Write the balanced chemical equation for the following reaction.
\[\ce{Aluminium + Copper chloride -> Aluminium chloride + Copper}\]
Concept: undefined >> undefined
Write the balanced chemical equation for the following reaction.
\[\ce{Zinc + Silver nitrate -> Zinc nitrate + Silver}\]
Concept: undefined >> undefined
Write the balanced chemical equation for the following reaction.
\[\ce{Calcium hydroxide + Carbon dioxide → Calcium carbonate + Water}\]
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What would be the electron dot structure of carbon dioxide which has the formula CO2?
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What would be the electron dot structure of a molecule of sulphur which is made up of eight atoms of sulphur? (Hint – the eight atoms of sulphur are joined together in the form of a ring.)
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Ethane, with the molecular formula C2H6 has ______.
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Butanone is a four-carbon compound with the functional group:
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Explain the nature of the covalent bond using the bond formation in CH3Cl.
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What are trophic levels? Give an example of a food chain and state the different trophic levels in it.
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Which of the following constitute a food-chain?
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What will happen if we kill all the organisms in one trophic level?
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