InterviewSolution
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InterviewSolution
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Four students, (A), (B), (C) and (D) observed the colour and solubility of iron, sulphur and iron sulphide in carbon disulphide. The tick mark (✓) represents 'soluble', and cross mark (×) represents 'insoluble' in carbon disulphide. Their observations are tabulated below : Student Colour Solubility in carbon disulphide Fe S FeS Fe S FeS (A) (B) (C) (D) Yellow Silvery Grey Silvery Silvery Orange Yellow White Greyish silver Reddish brown Greyish black Silvery white (✓) (×) (×) (✓) (×) (✓) (✓) (×) (✓) (✓) (×) (×) The student, who correctly reported the observation, is student :(1) (A)(2) (B)(3) (C) (4) (D) |
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Answer» Four students, (A), (B), (C) and (D) observed the colour and solubility of iron, sulphur and iron sulphide in carbon disulphide. The tick mark (✓) represents 'soluble', and cross mark (×) represents 'insoluble' in carbon disulphide. Their observations are tabulated below :
The student, who correctly reported the observation, is student : (1) (A) (2) (B) (3) (C) (4) (D) |
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