Advertisements
Advertisements
प्रश्न
Balance the following equation:
HNO3 + H2S → NO2 + H2O + S
Advertisements
उत्तर
2HNO3 + H2S → 2NO2 + 2H2O + S
APPEARS IN
संबंधित प्रश्न
Write symbolic representation for the following word equation and balance them :
Calcium oxide + Water → Calcium hydroxide
Balance the following equation. Also name the product formed.
`"H"_2 +"CI"_2 → "HCI"`
To determine the percentage of water absorbed by raisins, raisins are soaked in water for:
Balance the following equation:
Ca + N2 → Ca3N2
When a potassium iodide solution is added to a solution of lead (II) nitrate in a test tube, a precipitate is formed.
What is the colour of this precipitate? Name the compound precipitated.
In certain reaction a change of state is observed i.e. solid to liquid, liquid to gas etc. – State the change of state of the products – to give the respective reactant.
NH3 + HCl ⇌ NH4Cl
In certain reaction an insoluble solid called precipitate is formed. State the colour and name of the precipitate formed in the following reaction involving addition of:
Copper [II] sulphate to sodium hydroxide.
Give word equation for the following chemical reaction and give the names of the product formed.
Zn + 2HC1→ ZnCl2 + H2
Complete the following blank in the equation as indicated.
\[\ce{CaH2_{(s)} + 2H2O_{( aq)}-> Ca(OH)2_{(s)} + 2H2_{(g)}}\]
Grams: 42 g + ______ `→` ______ + ______
Why should a magnesium ribbon be cleaned before burning in air?
