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Four students (A), (B), (C) and (D) inde...

Four students (A), (B), (C) and (D) independently observed the evaporation of water under different conditions, and recorded the temperature of water at regular interval as shown below

The correct recording of observations is that of the student :

A

A

B

B

C

C

D

D

Text Solution

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The correct Answer is:
B
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LAKHMIR SINGH & MANJIT KAUR-STRUCTURE OF ATOM-Exercise
  1. The following precautions were listed for the experiment on determinat...

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  2. The correct procedure for preparing a colloidal solution of egg albumi...

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  3. Four students (A), (B), (C) and (D) independently observed the evapora...

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  4. A student takes a mixture of sand and ammonium chloride in a china dis...

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  5. A student takes some water in a beaker and heats it over a flame for d...

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  6. Which of the following is the correct set of apparatus to separate com...

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  7. A student added the following substances to water kept in four separat...

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  8. In an experiment, carbon disulphide was added to a test-tube containin...

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  9. The colour of insoluble product formed sodium sulphate and barium chlo...

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  10. A student, by mistake, mixed sulphur powder with iron filings. The fol...

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  11. A student has done the labelling for the experimental set-up for separ...

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  12. A teacher gave an impure sample of alum containing fine sand as impuri...

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  13. The colour of residue left behind on heating lead nitrate when it is s...

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  14. A student took some lead nitrate compound in a boiling tube and heated...

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  15. When a student heated a colourless solid compound, then brown fumes of...

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  16. When dilute sulphuric acid is added to granulated zinc placed in a tes...

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  17. What is the correct order of the methods you would apply to separate t...

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  18. Four students took separately the mixture of sand, common salt and amm...

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  19. When zinc metal reacts with dilute sulphuric acid, a gas is evolved. W...

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  20. The reaction between iron and copper sulphate solution represents whic...

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