Home
Class 10
CHEMISTRY
(a) What is the action of litmus on: (...

(a) What is the action of litmus on:
(i) Dry ammonia gas
(ii) Solution of ammonia gas in water
(b) State the observations you would make on adding sodium hydroxide to aqueous solution of :
(i) Ferrous sulphate
(ii) Aluminium chloride
Give balanced chemical equations.

Text Solution

Verified by Experts

(a) (i) No change in colour
(ii) red litmus turns blue
(b) (i) `2NaOH(aq)+FeSO_4(aq) to Fe(OH)_2(s)+Na_2SO_4`
Sodium hydroxide Ferrous sulphate Ferrous hydroxide Sodium sulphate
(iii) `3NaOH(aq)+AlCl_3(aq) to Al(OH)_3(s)+ NaCl(aq)`
Sodium Hydroxide Aluminium chloride Aluminium Hydroxide Sodium chloride
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ACIDS,BASES AND SALTS

    OSWAAL PUBLICATION|Exercise TOPIC-1 LONG ANSWER TYPE QUESTIONS|11 Videos

  • ACIDS,BASES AND SALTS

    OSWAAL PUBLICATION|Exercise Topic-2 MCQ|2 Videos

  • ACIDS,BASES AND SALTS

    OSWAAL PUBLICATION|Exercise TOPIC -1 SHORT ANSWER TYPE QUESTIONS|17 Videos

  • CARBON AND ITS COMPOUNDS

    OSWAAL PUBLICATION|Exercise NCERT Corner (Textbook Exercises)|15 Videos

Similar Questions

Explore conceptually related problems

Write two observations that you will make when an iron nail is kept in an aqueous solution of copper sulphate. Write the chemical equations for this reactions.

What would you observe when zinc is added to a solution of iron (II) sulphate ? Write the chemical reaction that take place

What would you observe when zinc is added to a solution of iron (11) sulphate? Write the chemical reaction that takes place.

Name the gas liberated when aqueous solution of ammonium chloride is mixed with sodium nitrite . Give equation.

Write a balanced chemical equation with state symbols for the following reactions. (i) Solutions of barium chloride and sodium sulphate in water react to give insoluble barium sulphate and solution of sodium chloride. (ii) Sodium hydroxide solution (in water ) reacts with hydrochloride acid solution (in water) to poduce sodium chloride solution and water.

What happens when a piece of a. Al metal is added to a dilute solution of HCl. b. Zn metal is added to an aqueous solution of copper sulphate c. Ag metal is added to an aqueous copper sulphate solution. Also write a balanced chemical equation if reaction occurs.

Write the balanced equation with state symbols for the following chemical reactions. (i) Solutions of barium chloride and sodium sulphate in water react to give insoluble barium sulphate and the solution of sodium chloride. (ii) Sodium hydroxide solution (in water) with hydrochloric acid solution (in water) to produce sodium chloride solution and water.

Write the balanced chemical equations for the following reactions : (i) When copper is heated in air. (ii) When aluminium oxide reacts with sodium hydroxide.

What is observed after about I hour of adding strips of Cu and Al suspended in FeSO_(4) solution in two beakers. Name the reaction and change observed. Also write the chemical equations.

Pratyush took sulphur powder on a spatula and heated it. They collected the gas evolved by inverting a test tube over it, as shown in figure below. (a) What will be the action of gas on : (i) dry litmus paper ? (ii) moist litmus paper ? (b) Write a balanced chemical equation for the reaction taking place.

Home
Profile