Sawaal

 Chemistry Questions

Popular Latest Rated
Q:

Researchers at the University of Illinois have discovered new form of matter called Excitonium which was coined by ______ in the 1960’

A) Bertrand Halperin B) Eugene Wigner
C) Paul Dirac D) Felix Bloch
 
Answer & Explanation Answer: A) Bertrand Halperin

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry

0 1187
Q:

The gas evolved when sodium carbonate reacts with hydrochloric acid is

A) Hydrogen B) Chlorine
C) Hydrogen Chloride D) Carbon dioxide
 
Answer & Explanation Answer: D) Carbon dioxide

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1186
Q:

Which process is not associated with mechanical weathering?

A) reactions with oxygen B) frost wedging
C) biological oxygen activity D) unloading
 
Answer & Explanation Answer: A) reactions with oxygen

Explanation:

The process that occurs when physical forces break rock into smaller pieces without changing the rock's chemical composition is called mechanical weathering.

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1184
Q:

The major ingredient of sweetened soft drink is

A) Carbonated water B) Hydrochloric acid
C) Phosphoric acid D) Caffeine
 
Answer & Explanation Answer: A) Carbonated water

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1181
Q:

Atomic mass of Sulphur is 32 u. The number of moles in 16 grams of Sulphur is:

A) 0.5 moles of Sulphur B) 0.25 moles of Sulphur
C) 0.75 moles of Sulphur D) 1 mole of Sulphur
 
Answer & Explanation Answer: A) 0.5 moles of Sulphur

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams

0 1178
Q:

Galvanization a process to prevent rusting involves use of ___ coating to steel or iron.

A) Nickel B) Magnesium
C) Copper D) Zinc
 
Answer & Explanation Answer: D) Zinc

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams

0 1177
Q:

Select the INCORRECT set of Molecular Formula - IUPAC Name - Common Name from the following options.

A) C4H9OH B) C2H3OH - Methanol - Methyl Alcohol
C) C2H5OH - Ethanol - Ethyl Alcohol D) C3H7OH - Propanal - Propyl Alcohol
 
Answer & Explanation Answer: B) C2H3OH - Methanol - Methyl Alcohol

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

1 1174
Q:

Which is the first metallic element in the Modern Periodic Table?

A) Li B) Na
C) He D) H2
 
Answer & Explanation Answer: A) Li

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: Bank Exams

0 1172