Chemistry

Liquid black soap is made by boiling palm oil with liquid extract of ash. The function … Read More

Which of the gas laws does this graph illustrate? A. Boyle B. Charles C. Gay-Lussac D. … Read More

Duralumin consists of aluminum, copper? A. Zinc and Gold B. Lead and Manganese C. Nickel and … Read More

An example of a polysaccharide is? A. Dextrose B. Mannose C. Glucose D. Starch Correct Answer: … Read More

The electronic configuration of an element is 1S(^2) 2S(^2) 2P(^6) 3S(^2) 3P(^3). How many unpaired electrons are there in the … Read More

(a)(i)   Draw and label a diagram to illustrate the preparation and collection of dry chlorine gas in … Read More

(a) A hydrocarbon having the formula C(_{10})H(_{22}) was cracked to produce C(_6)H(_{14}) and another hydrocarbon P. … Read More

(a) In the Solvay process, explain briefly with equations the functions of the following substances: limestone; … Read More

(a) (i) Write an equation for the reaction by which sulphur dioxide in solution could be converted to … Read More

(a)  State the conditions necessary for the cracking of long-chain hydrocarbons to produce more gasoline.    (b)  … Read More