SAAT (English)

Chemistry: sample 15

These questions are ETEC/Qiyas's own officially published trial-exam questions, shown here with attribution. They are not sold and are not part of Smart Advanced Network for Education, Development & Achievement's original question bank.

Directions

Read the following questions. Choose the right answer.

There is only ONE correct answer to each question.

Which of the following compounds is nonpolar?

NH₃
HF
CH₄
H₂O

Show answer

Correct answer: C. CH₄

Why

CH₄ (methane) has a symmetric tetrahedral shape with identical bonds, so its bond dipoles cancel, making the molecule nonpolar; NH₃, HF, and H₂O are all polar.

Source: The Standardized Academic Achievement Test (SAAT) for the Science Track Trial Test (ETEC official) Open the official document

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