Search SchoolNGR

Chemistry Past Questions and Answers

Waec Chemistry Questions

Question 1401:

Which of the following statements is correct?

SchoolNGR Classroom

A Covalent compounds would readily ionize in solution
B Covalent compounds consist of ions
C Hydrogen bond is formed between a metal and a non-metal
D Ionic compounds in solution would conduct electricity

View Answer & Explanation

Question 1402:

The bond angle in tetrahedral molecules such as tetrachloromethane is

SchoolNGR Classroom

A 180.0Â°
B 109.5°
C 105.5Â°
D 90.0Â°

View Answer & Explanation

Question 1403:

The properties of a good primary standard include the following except

SchoolNGR Classroom

A High molecular mass
B Low molecular mass
C High degree of purity
D Readily available

View Answer & Explanation

Question 1404:

The use of diamond in abrasives is due to its

SchoolNGR Classroom

A High melting point
B Hardness
C Octahedral shape
D Durability

View Answer & Explanation

Question 1405:

Which of the following statements about endothermic reaction is correct?

SchoolNGR Classroom

A Activation energy is high
B A catalyst is required
C It occurs reversibly
D Heat energy is absorbed

View Answer & Explanation

Stay Updated

Follow us on:

Subjects