Advertisements
Advertisements
प्रश्न
Raisins are wiped off gently before final weighing with the help of
पर्याय
a filter paper
a cotton piece
a cloth piece
a polythene piece
Advertisements
उत्तर
a filter paper
Raisins are wiped off gently before final weighing with the help of a filter paper.
APPEARS IN
संबंधित प्रश्न
How will you indicate Endothermic reaction in a chemical equation?
Name the type of chemical reaction shown by the following equation:
2Mg+ O2 → 2MgO
Write word equation for the following skeletal equation:
\[\ce{AgBr -> Ag + Br2}\]
Write your observation and name the product when An aqueous solution of barium chloride is added to dilute sulphuric acid.
Choose the correct answer from the options given below.
The formula of sodium carbonate is Na2CO3 and that of calcium hydrogen carbonate is
Write the balanced chemical equation of the following reaction. potassium bicarbonate + sulphuric acid → potassium sulphate + carbon dioxide + water
Write the balanced chemical equation of the following reaction.
potassium bicarbonate + sulphuric acid → potassium sulphate + carbon dioxide + water
A chemical reaction is generally accompanied by certain external indications or characteristics. These include – change of – (a) colour (b) state (c) smell (d) evolution of gas (e) formation of precipitate (f) evolution or absorption of heat. With reference to change of colour – state the change in colour seen when the following are heated – lead [IV] oxide.
Balance the following simple equation:
H2 + O2 → H2O
Fill in the blank with the correct word from the options given below:
A chemical equation is a shorthand form for a _______ change.
