2023 NECO CHEMISTRY Questions and ANSWERS
2023 NECO CHEMISTRY ESSAY ANSWERS Here is the neco Chemistry questions and answers (1ai) (CHOOSE ANY BEST 3) (i) Sulphur is used to produce sulphur(IV)oxide for manufacturing tetraoxosulphate(VI)acid (ii) Sulphur is used in the vulcanization of rubber. (iii) Sulphur and some of its products are used as fungicides and insecticides for spraying crops. (iv) Sulphur … Read more