The alloy used for metal work and plumbing contains A lead and tin B iron and carbon C copper and tin D aluminium and copper Answer is A We have WAEC, GCE, NECO, JAMB ONLINE TUTORIAL CLASS that can help …
Zinc displaces copper from an aqueous solution of copper (ll) salt because A copper is a transition element B copper is a moderately reactive metal C Zinc and copper have reducing prperties D zinc is more reactive than copper Answer …
When ammonium chloride is dissolved in water in a test tube, the tube feels colder showing that A the solution is unsaturated B sublimation has ocurred C ammonia gas is evolved D the process is endothermic Answer is D We …
The product of the reaction between ethanol and excess acidified K2Cr2O2 is A ethanal B ethylethanoate C ethanoic acid D ethyne Answer is C We have WAEC, GCE, NECO, JAMB ONLINE TUTORIAL CLASS that can help you out. Click Here …
Which of the following is correct about the electrons in the 1s orbital? They A have the same spin B are easier to remove than those in the 2p orbital C are closest to the nucleus D have the same …
Which of the following gases are diatomic except A nitrogen B helium C hydrogen D fluorine Answer is B We have WAEC, GCE, NECO, JAMB ONLINE TUTORIAL CLASS that can help you out. Click Here To Get Started.
An alkene may be converted to an alkane by A halogenation B hydrolysis C dehydration D hydrogenation Answer is D We have WAEC, GCE, NECO, JAMB ONLINE TUTORIAL CLASS that can help you out. Click Here To Get Started.
Producer gas is a mixture of A oxygen and hydrogen B Hydrogen and nitrogen C nitrogen and oxygen D nitrogen and carbon (ll) oxide Answer is D We have WAEC, GCE, NECO, JAMB ONLINE TUTORIAL CLASS that can help you …
Which of the following compounds of tin is a strong reducing agent? A SnCI2 B SnCI4 C SnO2 D SnH4 Answer is D We have WAEC, GCE, NECO, JAMB ONLINE TUTORIAL CLASS that can help you out. Click Here To …
When the trioxonitrate (IV) salt of an alkali metal Y is heated, the formula of the residue is A Y2O B YNO2 C Y2O3 D Y (NO2)2 Answer is B We have WAEC, GCE, NECO, JAMB ONLINE TUTORIAL CLASS that …
Examples of polymers include the following except A starch B nylon C wool D perspex We have WAEC, GCE, NECO, JAMB ONLINE TUTORIAL CLASS that can help you out. Click Here To Get Started. Virus-free. www.avg.com
Which of the following will not affect the degree of hardness in a sample of temporarily hard water? A Addition of washing soda B Adding of soap C Treatment with carbon exchange resin D Filtration Answer is D We have …
