Advertisements
Advertisements
प्रश्न
How will you prove that oxide formed by sulphur is acidic in nature?
उत्तर
Sulphur dioxide gas turns moist blue litmus paper red, because it reacts with water to form sulphurous acid. Hence, it is acidic in nature.
SO2 + H2O → H2 SO3
Sulphur dioxide Water Sulphurous acid
APPEARS IN
संबंधित प्रश्न
Rust is a hydrated oxide of iron which is
Give two examples of metallic oxides.
What do you observe when Sulphur is heated and then tested with moist blue and red litmus – paper?
Complete and balance the following chemical equation.
\[\ce{KClO3 ->[heat] ?? + O2}\]
Which one of the following is most likely to be corroded?
What happens when the mercuric oxide is heated?
Classify Copper oxide. Also give a balanced equation to prepare it.
Classify Magnesium oxide. Also give a balanced equation to prepare it.
Give a reason why oiling or greasing is done on the exposed moving iron parts of machinery and not preferred on heavy stationary iron parts.
State why galvanization, tinning and chromeplating are used as three different processes for coating specific articles for prevention of rusting.
State a specific reason for using zinc in galvanizing
Give reason for the following:
Galvanized steel is not used for articles used for edible applications.
Give word equation for the reaction of Non-metal:
Sulphur
Give word equation for the reaction of Non-metal:
carbon
Give word equation for the reaction of Non-metal:
phosphorus
Give word equation for the reaction of metal is:
magnesium with oxygen
Name the following:
The product formed on oxidation of phosphorus.
Name the following:
The chemical name of rust.