Chemistry - Mock Test 30

Question 291

Which one of the following is acidic?

A) Lemon juice B) Tomatoes C) Milk D) All

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Question 292

The tilting of the earth is responsible for?

A) Change of days B) Change of the sun�s rays C) Change of the season D) None

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Question 293

Stars appear to move from?

A) West to east B) East to west C) North to south D) South to west

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Question 294

What is the gap between the orbit of mars and Jupiter called?

A) Asteroids B) Comets C) Meteor D) Meteorite

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Question 295

st is the minimum header size of an IP packet?

A) 16 bytes B) 10 bytes C) 20 bytes D) 32 bytes

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Question 296

What is the address size of IPv6 ?

A) 32 bit B) 64 bit C) 128 bit D) 256 bit

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Question 297

The Internet is an example o1 safs?

A) Cell switched network B) circuit switched network C) Packet switched network D) All of above

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Question 298

Isotopes differs in?

A) arrangement of electrons in orbitals B) position in the periodic table C) properties depend upon mass D) chemical properties

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Question 299

Alum is used?

A) as an analgesic B) in the purification of water C) as a fertilizer D) as a disinfectant

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Question 300

If people sleep in closed rooms where charcoal fire is burning , they die due to ?

A) methane B) carbon monoxide C) carbon dioxide D) phosgene

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