Advertisements
Advertisements
प्रश्न
Give word equation for the reaction of metal is:
sodium
उत्तर
Sodium + Oxygen → Sodium oxide
4Na + O2 → 2Na2O
Flame colour: Golden yellow
Litmus test: Moist red to blue
APPEARS IN
संबंधित प्रश्न
Rust is a hydrated oxide of iron which is
Fill in the blank spaces by choosing the correct words from the given list.
List: amalgam, chlorine, gallium, sodium chloride, silver chloride
A gas used to sterilisation of drinking water is ________
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?
Classify Copper oxide. Also give a balanced equation to prepare it.
Classify Magnesium oxide. Also give a balanced equation to prepare it.
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
State a specific reason for using lead in bullets
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:
phosphorus
Give word equation for the reaction of metal is:
calcium
Name the following:
The product formed on oxidation of phosphorus.
Name the following:
The chemical name of rust.
