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Chemistry 1488 MCQs [All-Courses]

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In network of silica (SiO2) each silicon atom is surrounded by _____________ atoms of osygen?

A 4

B 2

C 1

D 6

Review Detailed Answer

Correct Answer: 4

Animal fats are located particularly in__________________?

A Skeleton tissues

B Cardiac tissues

C Connective tissues

D Adipose tissues

Review Detailed Answer

Correct Answer: Adipose tissues

The molecules of which gas have highest speed?

A H2 at -73oC

B CH4 at 300 K

C N2 at 1,027oC

D O2 at 0oC

Review Detailed Answer

Correct Answer: H2 at -73oC

Which electronic configuration corresponds to an element of group IIIA ?

A 1s2 2s2 2p3

B 1s2 2s2 2p6 3s2 3p1

C 1s2 2s2 2p4

D 1s2 2s2 2p6 3s2 3p6 4s2 3d1

Review Detailed Answer

Correct Answer: 1s2 2s2 2p6 3s2 3p1

Regular coiling or zigzagging of polypeptide through hydrogen bonding is its_______________?

A Quantum structure

B Secondary structure

C Tertiary structure

D Primary structure

Review Detailed Answer

Correct Answer: Secondary structure

The law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure is___________?

A Dalton’s law

B Gay Lussac’s law

C Henry’s law

D Raoult’s law

Review Detailed Answer

Correct Answer: Henry’s law

Aluminium oxide is_________________?

A Acidic oxide

B Basic oxide

C Amphoteric oxide

D It does not exists

Review Detailed Answer

Correct Answer: Amphoteric oxide

All proteins yield ___________ upon complete hydrolysis?

A Nitrogen

B Amino acids

C Carbon and hydrogen

D Sulphur

Review Detailed Answer

Correct Answer: Amino acids

The main buffer system of the human blood is____________?

A H2CO3 – HCO3

B H2CO3 – CO32-

C CH3COOH – CH3COO–

D NH2CONH2 – NH2CONH+

Review Detailed Answer

Correct Answer: H2CO3 – HCO3

Special features of borate glass is that it is_________________?

A Heat resistant

B Low melting

C Used to prepare chemical garden

D Green in colour

Review Detailed Answer

Correct Answer: Heat resistant

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Chemistry 1488 MCQs [All-Courses]

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All Topics 1488

In network of silica (SiO2) each silicon atom is surrounded by _____________ atoms of osygen?

Animal fats are located particularly in__________________?

The molecules of which gas have highest speed?

Which electronic configuration corresponds to an element of group IIIA ?

Regular coiling or zigzagging of polypeptide through hydrogen bonding is its_______________?

The law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure is___________?

Aluminium oxide is_________________?

All proteins yield ___________ upon complete hydrolysis?

The main buffer system of the human blood is____________?

Special features of borate glass is that it is_________________?