Q. The color of ferric phosphate is

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Q. Phenolphthalein changes its color at the pH

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Q. The color of lead sulphide spot in paper chromatography is

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Q. The carbonates that is insoluble in water is

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Q. Aldehydic group is present in

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Q. The glassy beads in borax beads test are made of

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Q. A salt on heating in a test tube produces cracking sound. The salt may be

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Q. H₂S in acid medium is used as a group reagent for group

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Q. Which one of the following does not belong to conc. H₂SO₄ group?

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Q. The most commonly desiccating agent used in a desiccator is

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Q. The color of ferrous sulphate is

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Q. The sulphide which is orange in color, is

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Q. The factors important for rusting of iron are

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Q. Lake test is given by

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Q. Corrosion is a natural

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Q. Schiff's reagent is used to detect the presence of

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Q. The gas produced when conc. H₂SO₄ reacts with KCl is

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Q. When starch is added to iodine solution, the color becomes

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Q. In separating various ink by chromatography, the locating agent used is

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Q. K₂Cr₂O₇ is a crystalline solid which has color

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