An aluminium strip is kept immersed in freshly prepared ferrous sulpha

1.	An aluminium strip is kept immersed in freshly prepared ferrous sulphate solution taken ina test tube, the change observed is that(a) Green solution slowly turns brown.(b) Lower end of test tube becomes slightly warm.(c) A colourless gas with the smell of burning sulphur is observed.(d) Light green solution changes to blue.
Answer» ANSWER: The lower END of the TEST tube becomes slightly warm. Explanation: The lower end of the test tube becomes slightly warm because the reaction is exothermic. Aluminium displaces iron from the FERROUS sulphate because it is higher in the reactivity SERIES than iron.

An aluminium strip is kept immersed in freshly prepared ferrous sulphate solution taken ina test tube, the change observed is that(a) Green solution slowly turns brown.(b) Lower end of test tube becomes slightly warm.(c) A colourless gas with the smell of burning sulphur is observed.(d) Light green solution changes to blue.

Answer»

The lower END of the TEST tube becomes slightly warm. Explanation: The lower end of the test tube becomes slightly warm because the reaction is exothermic. Aluminium displaces iron from the FERROUS sulphate because it is higher in the reactivity SERIES than iron.

Discussion

No Comment Found

Related InterviewSolutions

6. Who first identified cells and when?
What is hyaline cartilage??
Melting happens when solid material change into the liquid form
16. It is an inorganic, transparent, tasteless, odorless, and nearly colorless chemical substance.17. It occurs when you use or lose more fluid than you take in, and your body does not have enough water andout its normal functions.18 It occurs when people push themselves too hard during physical activities like Dancing causes injury whenand his or her physical capacity and tolerances of his or her body's soft touc.19. Stretching or tearing of ligaments,20. Stretching or tearing tendons or muscles.21. Refers to a group of heat-related conditions characterized by an abnormally high body temperature in otherof hypothermia22.Occurs when the body's heat-regulation system becomes overwhelmed by outside factors, causing amperature to rise23. It is a medical emergency that occurs when your body loses heat faster than it can produce heat, causingody temperature24. Occurs as your body temperature falls below 95 F (35 C).25. It is used by our body cells, organs, and tissues to help regulate its temperature and maintain other bodilyration.
Why does sun appear blue in colour
It refers to the size or strenght of the force?A.friction B.direction C.magnitude D.gravitation
What is work and state it's SI unit.
Co2+CaCo3+H2o→ Answers this question
What is motion how motion is measured in different terms
What do u understand of Einstein's nature from his conversations with his history teacher, his Mathematics teacher and the head teacher.Don't spam

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment