Questions


October 2022 1 2 Report
A. Choose the letter of the correct answer
1. Which value corresponds to the pH of pure water?
a.14 b.7 c.3 d.1
2. What type of substance is NaCI?
a.acid b.base c.salt d.sugar
3. Which does not belong to the group?
a.sodium b.tungsten c.alumininum d.tin

Answers & Comments


Add an Answer


Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Helpful Social

Copyright © 2024 EHUB.TIPS team's - All rights reserved.