Day 521: JEE Mains Chemistry

1. A.
   Column Chromatography
2. B.
   Sublimation
3. C.
   Distillation
4. D.
   Differential Extraction

Tap an option to check your answer.

1. A.
2. B.
3. C.
4. D.

Tap an option to check your answer.

1. A.
   Both Statement I and Statement II are false
2. B.
   Both Statement I and Statement II are true
3. C.
   Statement I is false but Statement II is true
4. D.
   Statement I is true but Statement II is false

Tap an option to check your answer.

1. A.
   ${VOSO}_{4}$ is a reducing agent
2. B.
   Red colour of ruby is due to the presence of ${Co}^{3 +}$
3. C.
   ${Cr}_{2}O_{3}$ is an amphoteric oxide
4. D.
   ${RuO}_{4}$ is an oxidizing agent

Tap an option to check your answer.

1. A.
   $\left( {HPO}_{3} \right)_{n}$
2. B.
   $H_{4}P_{2}O_{6}$
3. C.
   $H_{4}P_{2}O_{5}$
4. D.
   $H_{4}P_{2}O_{7}$

Tap an option to check your answer.