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 According to Bronsted and Lowry concept, an acid is a substance that can donate. Proton Electron pair Neutron Electron
2 Ammonia is a base, because it Ionizes in water to give OH- Ions Can accept proton Contains OH group Can accept an election pair
3 Which of the following is Bronsted base? HCl CH3COOH H2O NH3
4 Which one is not an Arrhenious acid? HCl H2SO4 CO2 HNO3
5 Which one is not an Arrhenius base. KOH NaOH NH3 Ca(OH)2
6 According to Arrhenius concept base is a substance which dissociates in aqueios solution to give Hydroxide ions Hydrogen ions Pair of Electrons Proton
7 According to Arrhenius concept acid is a substance which dissociates in aqueious solutin to give. Proton Pair of Electron Hydrogen Ions Hydroxide ion
8 Milk of magnesia contains Mg(OH)2 It is used as antacid It neutralizes excess stomachaacid. Which salt is formed in this reaction. MgCl2 MgSO4 MgCO3 MgO
9 Which of the following cannot be classified as Arrhenius acid CO2 HNO3 H2CO3 H2SO4
10 All bases turn red litmus. Blue White Pink Colourless
11 All Acids turn blue litmus. Pink White Colourless Red
12 Acids means Bitter Salty Sweet Sour
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