Tag: science & technology

Quizzes (551) Questions (11015)

Questions Related to science & technology

Multiple choice general knowledge science & technology

WHAT IS THE CHEMICAL NAME OF " CHALK " ?

  1. SODIUM CARBONATE

  2. CALCIUM BICARBONATE

  3. SODIUM BICARBONATE

  4. CALCIUM CARBONATE
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Chalk is chemically known as calcium carbonate (CaCO3), a soft white sedimentary rock. Sodium compounds (A, C) are incorrect because chalk contains calcium, not sodium. Calcium bicarbonate (B) is Ca(HCO3)2, which is soluble and chemically distinct from insoluble chalk.

Multiple choice general knowledge science & technology

Which of the following Power options saves maximum power in ur Laptop?

  1. Sleep

  2. Standby

  3. Hibernate

  4. Lock User
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The correct answer is 'Hibernate'. Hibernate saves the most power because it saves your session to the hard drive and completely powers off the computer. Sleep and Standby use some power to maintain the session in RAM. Lock User just locks the screen but keeps everything running.

Multiple choice general knowledge science & technology

What is the full form of VIRUS ?

  1. vital information resource under seize

  2. Very important resource under suspension

  3. Very important risk under survey

  4. Vital informations risk under suspension
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

VIRUS is commonly expanded as 'vital information resource under seize' in basic computer quizzes. This backronym was created after the term 'virus' was already used for malicious software. Note that in reality, VIRUS is not a standard acronym.