My Report

Chemistry – Class 12 Practice Test 4


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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1. Halogens do not occur in the free state.

2. Which of the following is not poisonous?

3. What is the most stable oxidation state of the oxygen atom?

4. Which of the following processes involves heating a carbonate ore to form metal oxide?

5. What is the hybridization of phosphorus in PCl5?

6. Which group 16 element has 8 allotropic forms?

7. Who discovered the element chlorine?

8. Group 16 elements are also called Chalcogens.

9. How many stages is the ‘salt cake’ method performed in?

10. What is the bond angle of hypochlorous acid?


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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