Questions

Colloids include gels, sols, and emulsions; the particles do not settle, and cannot be separated out by ordinary filtering or centrifuging like those in a suspension.

These Colloid substances consists of ultramicroscopic particles of one substance dispersed through another substance from which we cannot separate them.

Sugar water is not a colloid and it is a solution in which we can separate them.

Mumps: This is a swelling caused by inflammation of parotid glands placed in front of our ear region. The Inflammation is caused by a virus.

The country Brazil is the largest producer of sugarcane in the world.

the powerful cell phones can transmit a signal of 3 watts.

The Qutub Minar in New Delhi was lit up in blue as part of World Autism Day on 2 April.

Microsoft has acquired Flipgrid, an education start-up with an app that lets students record and share videos on specific topics with their classmates.

Microsoft is making Flipgrid free of charge.

A computer has two types of memory.

1. Non-volatile and

2. Volatile.

Volatile memory is computer memory that requires power to maintain the stored information.

* It is a temporary memeory which cannot contain information permanently.

Example :: RAM or Random Access Memory

Non-volatile memory is computer memory that can retain the stored information even when not powered.

* It is a permanent memory in which data is stored in permanently.

Examples :: Hard disc, ROM, Floppy discs, Magnetic tape,...