Skip to main content

Services
Notes
Tests
Tools
Why Us
Join us

Login Sign up

Services
Notes
Tests
Tools
Courses
Why Us
Join us

Login Sign up

© 2026 Study E-Hub. All rights reserved.

Services Notes Tests Why Us Contact

Full Book Test

1st Year Chemistry — Full Book Sample

Question 1 of 5

15:00

Question 1 1 mark

Avogadro’s number is approximately

A 6.02 × 10²¹ B 6.02 × 10²³ C 3.14 × 10⁸ D 9.8 × 10²

Question 2 1 mark

The most electronegative element is

A Oxygen B Chlorine C Fluorine D Nitrogen

Question 3 1 mark

A covalent bond is formed by

A Transfer of electrons B Sharing of electrons C Loss of protons D Nuclear fusion

Question 4 1 mark

pH of a neutral solution at 25 °C is

B 1 C 7 D 14

Question 5 1 mark

Isotopes of an element have the same

A Mass number B Number of neutrons C Atomic number D Density

Software house and mentorship studio in Sahiwal, plus a growing library of free Computer Science notes.

Services

AI & Machine Learning
Cyber Security
Web Development
Mobile App Development
Game Development

Quick Links

Free Notes
Services
Mentorship
Reviews
Contact
About Us
Privacy Policy
Terms & Conditions

Contact

customersupport@studyehub.com
+92 318 6879182
Ganj Shakar Colony, Sahiwal

© 2026 Study E-Hub. All rights reserved.

Privacy first

Cookies that make notes smarter

After you accept, we store an anonymous cookie for one year and log page views, note clicks, downloads, and searches — no ads, no sale of data. Privacy details

Study E-Hub assistant

Ask Study E-Hub

I am the Study E-Hub assistant. Ask about notes, tests, tools, services, or any study question.

Ask Study E-Hub