STEAM CHANGES THE COLOUR OF ANHYDROUS COBALT (II) CHLORIDE FROM
A. blue to pink ✓ B. white to red C. white to green D. blue to white The answer to the question is: A. blue to pink Anhydrous cobalt (II) chloride, also known as cobaltous chloride or cobalt dichloride, is a chemical compound with…
THE SPECIAL PIGMENT FOR COLOUR CHANGE IN CHAMELEON IS
A. melanin B. carotenoid C. chromatin D. chromatophore ✓ The answer to the question is: D. chromatophore Chromatophores are specialized pigment cells found in the skin of chameleons and other reptiles, as well as some fish and cephalopods. These cells contain pigments that can…
WHAT IS THE COLOUR OF PHENOLPHTHALEIN INDICATOR IN A BASIC MEDIUM
A. Blue B. Colourless C. Orange D. Pink ✓ E. Yellow The answer to the question is: D. Pink Phenolphthalein is a commonly used chemical compound as an acid-base indicator. In a basic medium, phenolphthalein turns pink. This color change occurs due to the presence…
WHEN BLUE AND GREEN COLOURS OF LIGHT ARE MIXED, THE RESULTANT COLOUR IS
A. cyan ✓ B. magenta C. black D. yellow The answer to the question is: A. cyan When blue and green colors of light are mixed, the resultant color is cyan. This phenomenon is a result of additive color mixing, which occurs when different…
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