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…
WHICH OF THE FOLLOWING METALS CANNOT BE EXTRACTED FROM ITS ORE BY USING CARBON (II) OXIDE AS THE REDUCING AGENT
A. Cu B. Zn C. Al ✓ D. Pb E. Fe The answer to the question is: C. Al The metal that cannot be extracted from its ore using carbon (II) oxide as the reducing agent is aluminum. Aluminum is extracted from its ore, bauxite,…
CATTLE
Cattle belongs to the group of animals known as Bovidae. They are ruminants, having hollow horns and hoofs with an even number of toes. Cattle are reared for their meat, milk, hide and skin, manure and as draught animals for…