Q. Even a small amount of impurities can affect the conductivity of

View solution

Q. The concentrated aqueous solution of sodium chloride is called

View solution

Q. Brine is gained from dissolving rock salt in

View solution

Q. Na₃AlF₆ that melts at 1000 °C is known as

View solution

Q. Metals which are high in reactivity series are used to extract

View solution

Q. Hydrogen (H₂) is used for making

View solution

Q. The process of decomposition of a compound into its elements by the passage of electric current is called as

View solution

Q. Aluminum (Al) is being extracted from

View solution

Q. Michal Faraday coined the words

View solution

Q. Either molten ionic compound or a concentrated aqueous compound, when it is decomposed it is called

View solution

Q. Electrolysis purify bauxite (Al(OH)₃) to give pure

View solution

Q. The purification of copper is only possible by

View solution

Q. In non-metals, half cells of electricity are conducted via solution by

View solution

Q. The part of a platinum electrode in a reaction is

View solution

Q. The types of half cell include

View solution

Q. Half cells contain two ions of same element with different

View solution

Q. The negative electrode in a half cell is made up of

View solution

Q. During electrolysis, the mass of a substance produced is proportional to

View solution

Q. The mass of a substance which has been produced at an electrode is directly proportional to the quantity of electricity passed, is

View solution

Q. In electrolysis of silver nitrate solution, silver is deposited at

View solution