Advertisements
Advertisements
प्रश्न
Give a balanced equation for a direct combination reaction involving:
Two elements – one of which is a neutral gas and the other a yellow non-metal
Advertisements
उत्तर
Direct Combination of two elements one of which is a neutral gas and the other a yellow non-metal
\[\ce{\underset{\text{sulphur yellow-non-metal}}{S} + \underset{\text{neutral gas}}{O2}->\underset{\text{sulphur dioxide}}{SO2}}\]
APPEARS IN
संबंधित प्रश्न
(a) What is synthesis?
(b) What kind of chemical reaction is synthesis? Support your answer by an example.
State the type of reactions for the following represent and balance the ones that are not balanced.
2HgO → 2Hg + O2
State the type of reactions for the following represent and balance the ones that are not balanced.
CuO+H2→ Cu+ H2O
State the type of reactions for the following represent and balance the ones that are not balanced.
PbO + 2HNO3→ Pb(NO3) + 2H2O
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
A coloured substance which decomposes violently leaving a coloured residue and evolving two neutral gases one of which is unreactive or inert in nature.
State which of the substance given below evolve oxygen gas on thermal decomposition.
Mercury [II] oxide
Give a balanced equation for thermal decomposition of calcium hydroxide
Give a reason why zinc displaces hydrogen from dilute sulphuric acid but copper does not.
Convert a soluble base to their respective soluble salts by neutralization reaction.
Differentiate between the following:
Decomposition reaction and a double decomposition reaction.
