Home
Class 12
BIOLOGY
Cobalt chloride is blue in anhydrous st...

Cobalt chloride is blue in anhydrous state . In contact with water vapours it turns

A

red

B

violet

C

pink

D

yellow

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • THE LIVING WORLD

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|124 Videos
  • Viruses

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|21 Videos

Similar Questions

Explore conceptually related problems

The fragrance of flowers is due to the presence of some steam volatile organic compounds called essential oils. These are generally insoluble in water at room temperature but are miscible with water vapour in vapour phase. A suitable method for the extraction of these oils from the flowers is

An aqueous solution of methanol in water has vapour pressure

Sodium chloride is soluble in water not in benzene because

Fill up the blanks in the following: The process of changing water vapour into water is called _______.

When potessium chloride is dissovled in water,

Sugandha prepares HCl gas in her school laboratory using certain chemicals, She puts both dry and wet blue litmus paper in contact with the gas. (i) Name the reagents used by Sugandha to prepare HCl gas. (ii) State the colour changes observed with the dry and wet blue litmus paper. Show the formation of ions when HCl gas combines with water.

A mixture when heated with dil. H_2SO_4 does not evolve brown vapours but when heated with conc. H_2SO_4 brown vapours are obtained. The vapours when brought in contact with aqueous AgNO_3 solution do not give any precipitate. The mixture contains :

A pure sample of cobalt chloride weighting 1.30 g was found to contains 0.59 g cobalt and 0.71 g chloride on quantitative analysis. What is the percentage composition of cobalt chloride?