What is the chemical name of quicklime?

Important Questions on Chemical Reactions and Equations

MEDIUM

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>SUMMATIVE ASSESSMENT MOCK TEST>Q 39

Which of the following reaction will not take place?

MEDIUM

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>SUMMATIVE ASSESSMENT MOCK TEST>Q 40

In the reaction, $2{\mathrm{FeCl}}_2+{\mathrm{Cl}}_2\to 2{\mathrm{FeCl}}_3$, chlorine may be regarded as 

MEDIUM

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>SUMMATIVE ASSESSMENT MOCK TEST>Q 41

The conversion of ${\mathrm{K}}_2{\mathrm{Cr}}_2{\mathrm{O}}_7$ to ${\mathrm{Cr}}_2({\mathrm{SO}}_4{)}_3$ is a process of

MEDIUM

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 1

The colours of aqueous solutions of ${\mathrm{CuSO}}_4$ and ${\mathrm{FeSO}}_4$ as observed in the laboratory are:

MEDIUM

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 2

A student prepared an aqueous solution of ${\mathrm{CuSO}}_4$ in beaker X and an aqueous solution of ${\mathrm{FeSO}}_4$ in beaker Y. He then dropped some iron pieces in beaker X and some zinc pieces in beaker Y. After about $10$ hours, he observed that the solutions in X and Y respectively appears :

MEDIUM

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 3

Name the precipitate formed when aqueous solutions of sodium sulphate and barium chloride are mixed?

MEDIUM

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 4

What is the colour of the precipitate, which is formed when aqueous solutions of sodium sulphate and barium chloride are mixed?
 

MEDIUM

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 1 - Chemical Reactions and Equations>PRACTICAL SKILL BASED MCQs>Q 5

What is the colour of an aqueous solution of barium chloride?