Questions

A substance that dissociates into ions in solution and acquires the capacity to conduct electricity. Sodium, potassium, chloride, calcium, and phosphate are examples of electrolytes, informally known as lytes.

A needle has an eye through which we keep a thread and use for stitching clothes.

It was Mount Everest. It was not discovered yet but it was the highest mountain on the Earth.

Cathode ray is a beam of electrons emitted   from   the   cathode   of   a vacuum    tube.    It    is    invisible. Cathode  ray  tubes  are  also  found in     televisions     and     computer monitors.  Since  cathode  ray  is  a beam of electrons and all electrons are  identical,  charge  to  mass  ratio is same for all the gases and does not depend on the nature of gas.

Data stored in computer in the form of binary number system. This can be used to covert text, images, audio,... into binary form for storing purpose.

Haryana state government has recently decided to rename Child Care Institutes as Jagannath Ashrams.

The American Civil War (1863)