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प्रश्न
What do the following symbol stand for?
2H2
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उत्तर
2H2 stands for Two molecules of hydrogen.
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संबंधित प्रश्न
Balance the following chemical equation.
\[\ce{NaCl + AgNO3 -> AgCl + NaNO3}\]
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- reducing agent,
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\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate moles of chlorine gas formed.
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What is the colour of this precipitate? Name the compound precipitated.
Write word equation for the following chemical reaction given below. Also state the observation seen in the case.
NaCl + AgNo3 → AgCU ↓ + NaN03
Balance the following simple equation:
NaOH + Cl2 → NaCl + NaClO + H2O
Balance the following simple equation:
Mg + CO2 → MgO + C
Write a balanced equation for the following word equation:
Potassium nitrate → Potassium nitrite + Oxygen
