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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) Yellow Silvery Greyish silver (✔) (✕) (✔) Silvery Orange Reddish brown (✕) (✔) (✔) (B) (C) Grey Yellow Greyish black (✕) (✔) (✕) (D) Silvery White Silvery white (✔) (✕) (✕) The student, who correctly reported the observations, 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 observations, is student : (1) (A) (2) (B) (3) (C) (4) (D) |
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