Lakhmir Singh and Manjit Kaur Solutions for Chapter: Acids, Bases And Salts, Exercise 5: Questions Based on High Order Thinking Skills (HOTS)
Lakhmir Singh Chemistry Solutions for Exercise - Lakhmir Singh and Manjit Kaur Solutions for Chapter: Acids, Bases And Salts, Exercise 5: Questions Based on High Order Thinking Skills (HOTS)
Attempt the free practice questions on Chapter 2: Acids, Bases And Salts, Exercise 5: Questions Based on High Order Thinking Skills (HOTS) with hints and solutions to strengthen your understanding. Science for Tenth Class Part - 2 Chemistry solutions are prepared by Experienced Embibe Experts.
Questions from Lakhmir Singh and Manjit Kaur Solutions for Chapter: Acids, Bases And Salts, Exercise 5: Questions Based on High Order Thinking Skills (HOTS) with Hints & Solutions
On adding dilute hydrochloric acid to copper oxide powder, the solution formed is blue-green.
Predict the new compound formed which imparts a blue-green colour to a solution. (Copper (II) chloride / Copper sulphate / Copper(I) chloride)
A white shirt has a yellow stain of curry. When soap is rubbed on this shirt during washing, the yellow stain turns reddish-brown.
On rinsing the shirt with plenty of water, the reddish-brown stain turns yellow again. Name the natural indicator present in curry stain.
(Grape juice/ Turmeric/ Beetroot)
A white shirt has a yellow stain of curry. When soap is rubbed on this shirt during washing, the yellow stain turns reddish-brown. On rinsing the shirt with plenty of water, the reddish-brown stain turns yellow again
Explain the changes in the colour of this indicator which take place during washing and rinsing the shirt.
A white shirt has a yellow stain of curry. When soap is rubbed on this shirt during washing, the yellow stain turns reddish-brown. On rinsing the shirt with plenty of water, the reddish-brown stain turns yellow again. What is the nature of soap (acidic/basic) as shown by the indicator present in curry stain?
You have been provided with three test-tubes. One of these test-tubes contains distilled water, and the other two contain an acidic and a basic solution, respectively. If you are given only blue litmus paper, how will you identify the contents of each test-tube?
A substance which is used as an antacid, reacts with dilute hydrochloric acid to produce a gas Y which is used in one type of fire-extinguisher. Name the substance and gas . Write a balanced equation for the chemical reaction, which takes place.
How is the neutralisation of carbonate with an acid different from the neutralisation of an oxide or a hydroxide?
What happens to (a) the ions, and (b) temperature of the solution, when an acid is neutralised?
