Chemistry 9th Class English Medium Unit 3 Online Test With Answers

image
image
image

Chemistry 9th Class English Medium Unit 3 Online Test

Sr. # Questions Answers Choice
1 Whcih one of the following is the weakest force among the atoms. Intermolecular force Ionic force Metallic force Covelent forces
2 Identify the compound whcihis not soluble in water KBr MgCl2 C6H6 NaCl
3 Triple covalent bond involves how many electrons. Six Four Eight Three
4 How many covalent bonds does C2H2 molecule have. Two Three Four Five
5 Covalent Bond involves the Sharing of electrons Repulsion of electrons Acceptance of electrons Donation of electrons
6 A bond pair is covalent molecules usually has. One electron Two electron Three electron Four electron
7 A bond formed between two non metals is expected to be Ionic Coordinate covalent Metallic Covalent
8 Identify the covalent compund NaCl H<sub>2</sub>O KF MgO
9 In the formation of AlF3, aluminum atom loses........electrons. 1 4 3 2
10 Silicon belongs to Grou IVA . It has ....electons in the valence shell 2 6 3 4
11 How many covalent bonds do N2 molecule have 3 4 2 5
12 Number of electronsin nitrogen molecule is. 2 4 6 8
Download This Set