Strong and Weak Acids Quiz PDF: Questions and Answers - 43

MCQ 211: Acid becomes colorless when added with

1. screened methyl orange indicators
2. phenolphthalein indicator
3. litmus indicator
4. universal indicator

MCQ 212: The purity of a substance can be estimated through

1. boiling points only
2. melting points only
3. sublimation point
4. boiling and melting points

MCQ 213: At 100 °C, the speed of reaction becomes

1. 16 times faster
2. 64 times faster
3. 128 times faster
4. 148 times faster

MCQ 214: In plenty of space, natural movement of particles occurs due to

1. concentration gradient
2. osmotic pressure
3. diffusion
4. active transport

MCQ 215: The formula of Lithium chloride is

1. LiCl₂
2. Li₂Cl
3. LiCl
4. Li₃Cl₂