Question

Case study Zahra divided the class into three groups-A,B & C. She distributed the samples to each group. Few crystals of Copper Sulphate to Group A, one spatula full of Copper Sulphate to Group B and Chalk powder or wheat flour to Group C. Each group add the given sample into water and stir properly after which each group note down the observations. Q11. Which of the above mentioned group forms true solution? a) Group A b) Group B c) Group A Group B d) Group C Q12. Each group leave their prepared samples undisturbed for one hour. After one hour they observed a) Group A and Group B form unstable solutions b) Group A and Group C form unstable solutions c) Group A and Group B form stable solutions d) Group B and Group C stable solutions Q13. Size of particles in the solution prepared by Group A: a) < 1nm b) 1nm-100nm c) > 100nm d) 1000nmplease answer as soon as possible​

Answer 1

Answer:

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Answer 2

Answer

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