Chemistry 10th Class English Medium Unit 10 Online Test With Answers

image
image
image

Chemistry 10th Class English Medium Unit 10 Online Test

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