Tag: science & technology

Questions Related to science & technology

Fill in the missing word Acid + _______ = Salt + Water

general knowledge science & technology

  1. metal

  2. base

  3. non metal

  4. hydrogeb

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Correct Option: B

Acids change a litmus paper from

general knowledge science & technology

  1. red to blue

  2. blue to red

  3. red to green

  4. green to purple

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Correct Option: B

The lead of a pencil mainly contains

general knowledge science & technology

  1. carbon black

  2. graphite

  3. lead

  4. plastic

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Correct Option: B

Heat is liberated in

general knowledge science & technology

  1. all chemical reactions

  2. substitution reaction

  3. exothermic reaction

  4. endothermic reaction

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Correct Option: C

What gas is evolved when dilute sulphuric acid is added to Zinc?

general knowledge science & technology

  1. hydrogen peroxide

  2. hydrogen

  3. argon

  4. sulpur dioxide

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Correct Option: B

Lemon juice is
general knowledge science & technology

  1. mettalic

  2. neutral

  3. acidic

  4. basic

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Correct Option: C

Fizziness in Coco-Cola/Pepsi is caused by

general knowledge science & technology

  1. helium

  2. hydrogen

  3. oxygen

  4. carbon dioxide

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Correct Option: D

USB
general knowledge science & technology

  1. Universal Side Bus

  2. Universal Serial Bus

  3. Universe Serial Bus

  4. Universal Serial Byte

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Correct Option: B

Which of the following punctuation mark if missed in configuration file of DNS server of Linux Server, make error?
general knowledge science & technology

  1. comma

  2. full stop

  3. semi colon

  4. equal to sign

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Correct Option: B

DDOS stands for??
general knowledge science & technology

  1. dos dos on system

  2. distributed disk operating system

  3. distributed denial of services

  4. disturb disk operating system

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Correct Option: C