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Chemistry 1488 MCQs [All-Courses]

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Our content covers Basic Chemistry, Atomic Structure, Periodic Table, Chemical Reactions, Acids & Bases, Organic Chemistry, and everyday chemical concepts.

Benzene is a good solvent for__________________?

A fats

B resins

C iodine

D all the above

Review Detailed Answer

Correct Answer: all the above

If a graph is plotted between temperature on x-axis and volume on y-axis for 1 mole of gas then we get straight line which cuts the temperature exis at________________?

A 0?C

B 273.16K

C ?273.16 K

D ?273.16?C

Review Detailed Answer

Correct Answer: ?273.16?C

When aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?

A phenol is unsaturated

B 2-bromophenol is insoluble in water

C a hydroxy group makes the benzene ring more susceptible to electrophilic attack

D acid-base reaction

Review Detailed Answer

Correct Answer: a hydroxy group makes the benzene ring more susceptible to electrophilic attack

The inhaled breath of diabetics patient contain acetone. A medical student wishes to test for diabetes by asking patient to bubble their breath through a reagent ?

A alkaline aquenous iodine

B aqueous bromine

C Fehling solution

D aqueous NaOH

Review Detailed Answer

Correct Answer: alkaline aquenous iodine

In the van der Waals equation (P + n2a / v2) (v – nb) = nRT which of the following statement is not true ?

A n2a/v correct for the intermolecular forces.

B nb correct for the volume occupied by gas molecules.

C at high densities the equation reduces to the ideal gas law

D all of the above statements are correct.

Review Detailed Answer

Correct Answer: at high densities the equation reduces to the ideal gas law

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

Which of the following is the formula of chrome red ?

A Pb3 O4

B 2Pb CO3 – Pb (OH)2

C Pb Cr O4 – Pb (OH)2

D Pb2O

Review Detailed Answer

Correct Answer: Pb3 O4

Across short period the melting and boiling point increase upto __________________?

A IIIA group

B IVA group

C VA group

D VIA group

Review Detailed Answer

Correct Answer: IVA group

Which of the elements do not fall in stair case of the modern periodic table__________________?

A Si

B As

C Te

D None of the above

Review Detailed Answer

Correct Answer: None of the above

Which of following metals can be displaced by all other metals from its solution ?

A Ag

B A

C Au

D Cu

Review Detailed Answer

Correct Answer: A

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Chemistry 1488 MCQs [All-Courses]

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All Topics 1488

Benzene is a good solvent for__________________?

If a graph is plotted between temperature on x-axis and volume on y-axis for 1 mole of gas then we get straight line which cuts the temperature exis at________________?

When aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?

The inhaled breath of diabetics patient contain acetone. A medical student wishes to test for diabetes by asking patient to bubble their breath through a reagent ?

In the van der Waals equation (P + n2a / v2) (v – nb) = nRT which of the following statement is not true ?

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

Which of the following is the formula of chrome red ?

Across short period the melting and boiling point increase upto __________________?

Which of the elements do not fall in stair case of the modern periodic table__________________?

Which of following metals can be displaced by all other metals from its solution ?