![A compound contains 31.91% potassium; 28.93% chlorine and the rest oxygen. What is the chemical formula of the compound? [K = 39, Cl = 35.5, O = 16]](https://erudites.ng/wp-content/uploads/2020/06/past-questions-and-answers.jpg)
by Sunday | Oct 16 | Chemistry JAMB
A. KClO4 B. KClO C. KClO2 D. KClO3 Correct Answer: Option D – KClO3 Explanation K- (31.91%), Mole = 31.91/39 =0.8182 Cl-(28.93%), Mole = 28.93/35.5 = 0.815 O-(39.16%), Mole = 39.6/16 = 2.448 K = 0.8182/0.815 = 1 Cl = 0.815/0.815 = 1 O = 2.448/0.815 =...
by Sunday | Oct 15 | Chemistry JAMB
A. Starch B. Cellulose C. Fat D. Oil Correct Answer: Option B – Cellulose
by Sunday | Oct 15 | Chemistry JAMB
A. catalytic cracking B. hydrocracking C. polymerization D. reforming Correct Answer: Option D – reforming
by Sunday | Oct 15 | Chemistry JAMB
A. addition B. hydrolysis C. polymerization D. substitution Correct Answer: Option D – substitution
by Sunday | Oct 15 | Chemistry JAMB
A. C3H7COOC2H5 B. C2H5COOC3H7 C. C4H9COOC2H5 D. C2H5COOC4H9 Correct Answer: Option A – C3H7COOC2H5 Explanation Ethyl butyrate, also known as ethyl butanoate, or butyric ether, is an ester with the chemical formula...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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