by Sunday | Aug 25 | Chemistry WAEC
A. Rusting is a reduction process B. Rusting of iron takes place in the presence of oxygen and moisture C. the rust formed is reddish-brown D. the major constituent of rust is hydrated iron (lll) oxide E. rusting is similar to burning Correct Answer: Option A –...
by Sunday | Aug 25 | Chemistry WAEC
A. CaCO3 B. CuCO3 C. ZnCO3 D. Na2CO3 E. MgCO3 Correct Answer: Option D – Na2CO3
by Sunday | Aug 25 | Chemistry WAEC
A. CaCO3 B. CuCO3 C. ZnCO3 D. Na2CO3 E. MgCO3 Correct Answer: Option A – CaCO3
by Sunday | Aug 25 | Chemistry WAEC
A. 1.08g B. 40g C. 10,.8g D. 21.6g E. 108g Correct Answer: Option E – 108g
by Sunday | Aug 25 | Chemistry WAEC
A. tetraoxosulphate (IV) acid B. caustic soda C. sodium trioxocarbonate (IV) D. ethene E. dyes Correct Answer: Option E – ethene