Chemical Effects Of Electric Current: Class 8 Notes

By Team Aakash Byju's

[{"selector":"#anim-615b2280-7858-4a41-b453-b803b2ef28c8","keyframes":{"transform":["translate3d(-115.2381%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1300,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4e53e285-4451-4e75-b011-857b4e384e28","keyframes":{"opacity":[0,1]},"delay":0,"duration":1300,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4b6e1d3c-293d-494b-9bac-2f9e0b19a21d","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":0,"duration":1300,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] Chemical reactions take place when current passes through chemical solutions. The resulting effects are called Chemical effects of current .

[{"selector":"#anim-eda397bc-2dc1-42f6-8329-0a0c280c3ca6","keyframes":{"transform":["translate3d(-115.55555%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1300,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a5323fb7-a096-4d12-8e38-555836787e41","keyframes":{"opacity":[0,1]},"delay":0,"duration":1300,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5362dfa4-de6b-4cc5-a431-4392f031ccd6","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":0,"duration":1300,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] [{"selector":"#anim-47448b25-eb15-456e-bc93-60629f45a0c5","keyframes":{"transform":["translate3d(-115.55555%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1300,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3868a371-f838-4983-96cb-224b73764814","keyframes":{"opacity":[0,1]},"delay":0,"duration":1300,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d1c5ce0b-2915-4367-b02e-aa05dc2530e0","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":0,"duration":1300,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] Chemical effects in the solution can be noticed depending on the type of the solution which includes: – Gas bubble production at electrodes – Metal deposition at electrodes – Colour changes in the solution

Click Here To Attend Free Trail Class

[{"selector":"#anim-0b9812d6-b594-4fd9-9481-5679d2a3f626","keyframes":[{"offset":0,"transform":"translate3d(0, -707.778%, 0)","easing":"cubic-bezier(.5, 0, 1, 1)"},{"offset":0.29,"transform":"translate3d(0, 0%, 0)","easing":"cubic-bezier(0, 0, .5, 1)"},{"offset":0.45,"transform":"translate3d(0, -199.0271736%, 0)","easing":"cubic-bezier(.5, 0, 1, 1)"},{"offset":0.61,"transform":"translate3d(0, 0%, 0)","easing":"cubic-bezier(0, 0, .5, 1)"},{"offset":0.71,"transform":"translate3d(0, -67.6635768%, 0)","easing":"cubic-bezier(.5, 0, 1, 1)"},{"offset":0.8,"transform":"translate3d(0, 0%, 0)","easing":"cubic-bezier(0, 0, .5, 1)"},{"offset":0.85,"transform":"translate3d(0, -25.409230200000003%, 0)","easing":"cubic-bezier(.5, 0, 1, 1)"},{"offset":0.92,"transform":"translate3d(0, 0%, 0)","easing":"cubic-bezier(0, 0, .5, 1)"},{"offset":0.96,"transform":"translate3d(0, -11.0413368%, 0)","easing":"cubic-bezier(.5, 0, 1, 1)"},{"offset":1,"transform":"translate3d(0, 0%, 0)","easing":"cubic-bezier(0, 0, .5, 1)"}],"delay":0,"duration":1300,"fill":"both"}] Download Aakash App

[{"selector":"#anim-5fe9c2f5-e6c0-4027-a2bc-b38e2d3de5d4","keyframes":{"opacity":[0,1]},"delay":0,"duration":1300,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-26303ec3-78c0-4097-9922-406a3b760eec","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":1300,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] A conductor is a material that allows an electric current to flow through it. For example: Copper and Steel.

[{"selector":"#anim-61fc9c95-01e1-46a0-98e3-e2d4c9330577","keyframes":{"opacity":[0,1]},"delay":0,"duration":1300,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-edc7705d-0de0-49c9-a307-9456ee4c70b8","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":1300,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Bad conductors or insulators are materials that do not allow an electric current to flow freely through them. For example: Wood

[{"selector":"#anim-accaae8e-75a0-48de-864e-453db309cc2a","keyframes":{"opacity":[0,1]},"delay":0,"duration":1300,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-69527af3-3e8a-4c36-8195-05d9f1ad6ed1","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":1300,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Electrolysis is the decomposition of ionic substances into their constituent elements by a direct electric current.

Electrorefining and Electroplating are a few applications of electrolysis.

[{"selector":"#anim-1b293693-3349-49c9-a37d-2492adf190fe","keyframes":{"opacity":[0,1]},"delay":0,"duration":1300,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-5bb87c7c-c2fb-46f9-b4a5-2f0690558805","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":1300,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

[{"selector":"#anim-c57dd357-f575-49a0-80eb-87042676153a","keyframes":{"opacity":[0,1]},"delay":0,"duration":1300,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-b8a38c27-662c-4490-ba57-373468a35d05","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":1300,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] The process of electroplating involves applying a negative charge to an object in order to deposit a metal layer.

– Developing a protective barrier – It lowers friction – Improves adhesion

[{"selector":"#anim-d034c144-7629-48c1-a3f7-64d7ac69caa9","keyframes":{"opacity":[0,1]},"delay":0,"duration":1300,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-ecbf5c48-889e-4851-8143-700db9c71095","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":1300,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-0688e887-7b83-407c-b393-d8d7ab8b89fa","keyframes":{"opacity":[0,1]},"delay":0,"duration":1300,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-16afcd71-e1a4-41a2-a3eb-848e70d14a87","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":1300,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Electroplating is a very helpful process and some of the advantages are mentioned below:

Few other applications of the chemical effect of electric current are listed below:

[{"selector":"#anim-8faedf2f-40aa-41ca-8f81-e5d1a2ddb188","keyframes":{"opacity":[0,1]},"delay":0,"duration":1300,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-7cb158c9-e87b-4465-a078-c28d5f898483","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":1300,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-ba2605e0-dcd2-4d8c-aaaf-99bd761f49fe","keyframes":{"opacity":[0,1]},"delay":0,"duration":1300,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-9553f2b5-0e3e-4d96-a333-bf0b9d5a2c5b","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":1300,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]

Hope this notes helps. Share with your friends too.

[{"selector":"#anim-cf7a13b3-e181-4cc5-91d4-d62482535059","keyframes":{"opacity":[0,1]},"delay":0,"duration":1300,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-87fe5434-e6c7-4296-857e-850f9ab4f4d4","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":1300,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}]