Which kind of streetlamps are now being used instead of electric bulbs and tubelights.?

Which kind of electricity is used in electrolysis?

What kind of fringes do you expect to observe if white light is used instead of monochromatic light?

Name some animals which were used in agriculture. Now what do we used instead of those animals?

Which are fluorinating agent oftenly used instead of F_2 ? Write two chemical equations showing their use as fluorinating agents.

Which are fluorinating agent oftenly used instead of F_2 ? Write two chemical equations showing their use as fluorinating agents.

In the manufacture of steel, the process in which O_(2) is used instead of air is -

Which is useful in human beings

Give an example of a line in the electric field of an electric dipole along which a positive charge may be moved without any work being done.

Which of the following statements are true// false A. In Torpedo the electric organs are capable of generating strong strong electric shock to paralyze the prey B. Bony fishes use pectoral, pelvic, dorsal, anal and caudal fins in swimming C. Amphibians skin is moist and has thick scales D. Birds are poikilothermous animals E. The most unique mammalian characteristic is the presence of milk producing mammary glands by which the young ones are nourished

An aqueous solution containing Cu^(2+), Hg_(2)^(2+) and Ag^(+) ions, each with a concentration of 1M, is being electrolysed by using Pt - electrodes. If the voltage between the electrodes is increased gradually, which one of these ions will be deposited first and which one will be deposited last at the cathode? E_(Ag^(+)|Ag)^(@)=0.8V, E_(Cu^(+)|Cu)^(@)=0.34V & E_(Hg^(+)|2Hg)^(@)=0.79