Advertisements
Advertisements
प्रश्न
Choose the correct answer from the options given below.
The formula of sodium carbonate is Na2CO3 and that of calcium hydrogen carbonate is
पर्याय
CaHCO3
Ca(HCO3)2
Ca2HCO3
Ca(HCO3)3
उत्तर
Ca(HCO3)2
APPEARS IN
संबंधित प्रश्न
State one characteristic of the chemical reaction which takes place when lemon juice is added gradually to potassium permanganate solution.
Write your observations and name the product when
Iron nails are added to an aqueous solution of copper sulphate.
Write your observation and name the product when ron nails are added to an aqueous solution of copper sulphate.
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate mass of MnO2 used.
Write word equation for the following molecular equation:
\[\ce{NH3 [g] + HCl [g] ⇌ NH4Cl [s]}\]
Word equation:
State which characteristic is observed in the above reaction.
Give an-example of a similar above characteristic, seen between two other gaseous reactants.
Balance the following simple equation:
N2 + O2 ⇌ NO
Balance the following simple equation:
KBr + Cl2 → KCl + Br2
Write a balanced equation for the following word equation:
Potassium bromide + Chlorine → Potassium chloride + Bromine
Write a balanced equation for the following word equation:
Potassium bicarbonate → Potassium carbonate + Water + Carbon dioxide
Fill in the blank with the correct word from the options given below:
A chemical equation is a shorthand form for a _______ change.