Chemistry 10th Class English Medium Online Test With Answers

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Chemistry 10th Class English Medium Online Test

Sr. # Questions Answers Choice
1 Basic solution have pH value. Less than 7 Greater than 7 equal to 7 None of these
2 Acidic solutions have pH value. Less than 7 Greater than 7 equal to 7 None of these
3 pH of neutral solution is always. 6 5 7 10
4 pH value normally varies from. 0-14 1-14 7-14 10-14
5 The value of constant of ionic product of water Kw at 25 C. 1.0 x 10<sup>-4</sup> 1.0 x 10<sup>14</sup> 1.0 x 10<sup>-4</sup> 1.0 x 10<sup>4</sup>
6 Which is used to remove the grease stains from clothes? NaOH KOH Al(OH)<sub>3</sub> NH<sub>4</sub>OH
7 Which one is used for alkaline batteries? NaOH Ca(OH)<sub>2</sub> KOH Mg(OH)<sub>2</sub>
8 Which is used to manufacture of soap? NaOH Ca(OH)<sub>2</sub> KOH Mg(OH)<sub>2</sub>
9 Alkalis react with ammonium salt to liberate. SO<sub>2</sub> CO<sub>2</sub> NH<sub>3</sub> H<sub>2</sub>
10 Stearic acid present in Apple Fats Urine Grapes
11 Uric Acid is present in Apple Fats Urine Grapes
12 Mallic acid is present in Apple Feats String of bees Urine
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