My Report

Chemistry – Class 12 Practice Test 1


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. A substance containing one band completely filled with electrons and other band completely empty, but with a possibility of the empty band becoming populated, behaves as a _________

2. Which of the following is a true solution?

3. Metals are good conductors of heat and electricity. This property is conferred by _______ bonds.

4. At NTP, the solubility of natural gas in water is 0.8 mole of gas/kg of water. What is the Henry’s law constant for natural gas?

5. What is each point (position of particle) in a crystal lattice termed as?

6. Which of the following properties holds true for a metalloid?

7. If a crystal lattice has 6 closed-pack spheres, what the number of tetrahedral voids in the lattice?

8. Aluminium crystallises in a face-centred cubic lattice. The edge length of the unit cell of aluminium is 4.05 x 10-10m. What is the density of aluminium? (Atomic mass of Al=27)

9. For a metallic crystal, which band do the delocalized electrons occupy?

10. What is an alloy of copper and zinc called?


 

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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