Chemistry 9th Class English Medium Online Test With Answers

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Chemistry 9th Class English Medium Online Test

Sr. # Questions Answers Choice
1 The boiling point of alcohal is <sub>44</sub><sup>o</sup>C 78<sup>o</sup>C 53<sup>o</sup>C 19<sup>o</sup>C
2 The boiling point of water is O <sup>o</sup>C 100 <sup>o</sup>C 35 <sup>o</sup>C 25 <sup>o</sup>C
3 The fore of attraction betwene water molecule is. Ionic bonding Covalent bonding Hydrgen Bonding Co ordinate Covalent bonding
4 Which of the following is an exampel of polar covalent compound. Cl2 H2 O2 HCl
5 Hydrogen bound ing is always found in Non-polar molecules Homoatomic molecules Polar Molecules All of the above
6 Metal have the tendency to lose elecrons due to. High ionization energies Low ionization energies Low electron affinity None of the above
7 Malleability is the property by virtue of which a metal can be drawn into. Rods Plates Sheets Wires
8 In metals, the hold of nucieus over the valence shell elecrons is veak due to. Highlectron affinity Large sized atoms High ionization energies All of the above
9 Whcih types of bond is present between NH3 and BF3 Covalend Bond Ionic Bond Co ordinate covalent bond Metallic Bond
10 How many lone pairs are present on nitogenin ammonia molecule. One Two Three Four
11 Whcih one of the following in as electron deficient molecule. NH3 O2 BF3 N2
12 Dative covalent bondis also known as Covalent bond Ionic Bond Metallic Bond Coordinate covalent bond
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