Manganeese Dioxide Test

Q. What is the role of oxidising agent in a reaction ?

Q. In manganese dioxide test, the green fumes of confirm the presence of hydrochloric acid.

1. $MnC{l}_2$
2. $C{l}_2$
3. $HCl$

Q.

Identify the gas from the following observations:

A greenish-yellow gas having a pungent and suffocating smell. It turns moist blue litmus paper red and then bleaches it.

Q. The element which produces a dazzling white light on burning in air is

1. Iron
2. Magnesium
3. Sulphur
4. Carbon

Q.

What will be the reaction when HCI reacts with H2SO4?

Q.

Four test tubes of tuhar dal were taken with some water in each and labeled as A, B, C, and D. A few drops of the following were added to these test tubes.

Which test tube would be able to confirm the presence of metanil yellow adulterant?

1. Test tube A to which NaOH was added.

2. Test tube B to which HCl was added.

3. Test tube C to which alcohol was added.

4. Test tube D to which water was added.

Q.

Oxidising Agent + Hydrochloric Acid → Salt + Water + ___

1. Chlorine

2. Oxygen

3. Nitrogen

4. Hydrogen

Q.

Oxidising Agent + Hydrochloric Acid → Salt + Water + ___

1. Oxygen

2. Nitrogen

3. Hydrogen

4. Chlorine