Chemistry questions and answers

Chemistry Questions and Answers

Learn more about the properties, composition, and structure of substances (elements and compounds) with these Chemistry questions and answers. This Test can be used by students preparing for Chemistry in JAMB, WAEC, NECO or Post UTME.

1,476.

Which of the following hydroxides will readily dissolved in water?

A.

Cu(OH)2

B.

NaOH

C.

Pb(OH)2

D.

Zn(OH)2

Correct answer is B

No explanation has been provided for this answer.

1,477.

Which of the following compounds is not a double salt?

A.

Zn(OH)NO3

B.

KAI(SO4)2

C.

KCr(SO4)2

D.

(NH4)2Fe(SO4)2

Correct answer is A

No explanation has been provided for this answer.

1,478.

Which of the following dilute acids does not react with metals to liberate hydrogen?

A.

CH3COOH(aq)

B.

HCI(aq)

C.

H2SO4(aq)

D.

HNO3(aq)

Correct answer is D

No explanation has been provided for this answer.

1,479.

Salts that contain water of crystallization are said to be

A.

anhydrous

B.

deliquescent

C.

efflorescent

D.

hydrated

Correct answer is D

No explanation has been provided for this answer.

1,480.

Consider the reaction represented by the following equation: H 2(g) + \(\frac{1}{2}\) O(g) → H 2O(g) ∆H =-285.8 KJmo -1 ∆H represents the enthalpy of

A.

formation

B.

hydration

C.

neutralization

D.

solution

Correct answer is A

No explanation has been provided for this answer.