Q. Phenolphthalein changes its color at the pH

View solution

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

View solution

Q. The carbonates that is insoluble in water is

View solution

Q. Aldehydic group is present in

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. The color of ferrous sulphate is

View solution

Q. The sulphide which is orange in color, is

View solution

Q. The factors important for rusting of iron are

View solution

Q. Lake test is given by

View solution

Q. Corrosion is a natural

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. K₂Cr₂O₇ is a crystalline solid which has color

View solution

Q. Theendpointin KMnO₄ titration is always

View solution