State the number of water molecules present in crystals of washing soda and Plaster of Paris. What are these water molecules called?
(N/A) $(i)$ Washing soda contains $10$ molecules of water of crystallisation $(Na_2CO_3 \cdot 10H_2O)$. Plaster of Paris contains $1/2$ molecule of water of crystallisation $(CaSO_4 \cdot 1/2H_2O)$.
$(ii)$ These water molecules are known as water of crystallisation.
$(ii)$ These water molecules are known as water of crystallisation.
Explore More
Similar Questions
Equal lengths of magnesium ribbon are taken in two test tubes $A$ and $B$. $H_{2}SO_{4}$ is added to test tube $A$ and $H_{2}CO_{3}$ in test tube $B$ in equal amounts.
$(a)$ Identify the test tube showing vigorous reaction.
$(b)$ Give reason to support your answer.
$(c)$ Name the gas liberated in both the test tubes. How will you prove its liberation?
$(a)$ Identify the test tube showing vigorous reaction.
$(b)$ Give reason to support your answer.
$(c)$ Name the gas liberated in both the test tubes. How will you prove its liberation?
Difficult
View SolutionWhat is the $pH$ value of a basic aqueous solution?
Easy
View SolutionMelittin present in the bite of honeybee is a polypeptide containing $......$ amino acids.
Easy
View SolutionWrite balanced chemical equations for the following:
$(i)$ Carbon dioxide gas is passed through lime water.
$(ii)$ $NaOH$ solution is heated with zinc granules.
$(i)$ Carbon dioxide gas is passed through lime water.
$(ii)$ $NaOH$ solution is heated with zinc granules.
Medium
View SolutionWhat is the nature of an aqueous solution of washing soda?
Easy
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo