Advertisements
Advertisements
प्रश्न
Name: Gas with rotten egg smell.
Advertisements
उत्तर
Hydrogen sulphide.
H2S
APPEARS IN
संबंधित प्रश्न
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Iron pipes coated with zinc do not get rusted easily.
How do the following help in bringing about a chemical change?
heat.
TRUE \ FALSE
Ammonia is a good oxidizing agent.
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
Rusting of iron is a ______ chemical change.
Choose the correct option from the bracket and explain the statement giving reason.
(Oxidation, displacement, electrolysis, reduction, zinc, copper, double displacement, decomposition)
The conversion of ferrous sulphate to ferric sulphate is ______ reaction.
Define the following term:
Precipitate
Name: A greenish-yellow gas.
Give a chemical test to distinguish between the following gases.
H2 and O2
Name the following:
The products obtained during ‘photosynthesis’ – which is a chemical change.
______ occurs in the absence of air and in the presence of micro-organisms such as yeast.
