THE PROCESS OR ACT OF EXTRACTING A METAL FROM ITS ORE AND REFINING IT IS CALLED
A. Extraction B. Metal mining C. Metallurgy ✓ D. Prospecting The answer to the question is: C. Metallurgy The process or act of extracting a metal from its ore and refining it is called metallurgy. Metallurgy is the branch of science and…
THE ONLY METAL THAT IS ANTI-BACTERIAL IS
A. Iron B. Sodium C. Aluminium D. Copper ✓ The answer to the question is: D. Copper The only metal that is antibacterial is copper. Copper has been known for its antimicrobial properties for centuries. It has the ability to kill a wide…
THE METAL USED TO RECOVER COPPER FROM A SOLUTION OF COPPER SULPHATE IS
A. Na B. Ag C. Hg D. Fe ✓ The answer to the question is: D. Fe The metal used to recover copper from a solution of copper sulphate is iron (Fe). Iron is commonly used in the process of copper recovery due to…
COPPER METAL WILL REACT WITH CONCENTRATED TRIOXONITRATE (V) ACID TO GIVE
A. Cu(NO3)3 + NO + N2O4 + H2O B. Cu(NO3)2 + NO + H2O C. CuO + NO2 + H2O D. Cu(NO3)2 + NO2 + H2O ✓ The answer to the question is: D. Cu(NO3)2+ NO2 + H2O When copper metal reacts with concentrated trioxonitrate(V) acid (also known as nitric acid),…
SIMPLE METAL WORK PROJECTS
Metal Finishing Metal finishing refers to any of the techniques used to create a decorative or protective surface on a metallic surface. Metals differ in their degree of luster. They range from very dull to very bright. Finishing is used…
METAL PROCESSING METHODS
A metal is a product from iron ore. Iron ore is the raw form of iron dug from the ground. When in this raw form, it contains impurities. To change iron ore into usable forms, the impurities have to be…
SIMPLE FARM TOOLS (PART 3)
Emasculator This is an instrument used for castration of some farm animals. It consists of a pair of powerful pincers with plastic or metal handles. The pincers press the neck of the scrotum to crush the spermatic cord which supplies…
SIMPLE FARM TOOLS (PART 2)
Axe Axe consists of a strong wooden or metal handle onto which a solid, flat and heavy metal blade with a sharpened edge is inserted. Larger axes are held in both hands when in use. Functions/Uses It is used for…