Salts: Hydrogen of Acids Quiz Questions and Answers PDF - 125

MCQ 621: Acid salts do not include

1. calcium phosphate
2. sodium dihydrogen phosphate
3. sodium hydrogen sulphate
4. calcium hydrogen carbonate

MCQ 622: Oxalic acid (H₂C₂O₄) is found in

1. sour milk
2. rhubarb plant
3. limes
4. pears

MCQ 623: Flour mills and coal mines need to be well ventilated because

1. the surface area of coal and flour needs to be digged out
2. coal and flour particles are scattered in the form of lumps
3. coal and flour particles are scattered in the form of powder
4. coal and flour particles can get ignited very easily

MCQ 624: Formula of Zinc Chloride (ZnCl₂) indicates that charge on Zinc ion (Zn⁺²) is

1. +1
2. +2
3. −1
4. −2

MCQ 625: Distilled water may also be called as

1. immiscible
2. solute
3. solution
4. distillate