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1 Organic Chemistry MCQs

LiAlH4 converts Acetaldehyde into ___________?

  • Acetic acid
  • Methane
  • Ethyl alcohol
  • Methyl alcohol
0 Comments
Correct Answer: C. Ethyl alcohol

Explanation:

Lithium aluminium hydride (LiAlH₄) is a powerful reducing agent widely used in organic ... Read More Details

2 Physical Chemistry MCQs

If speed of gas molecules increases by twice on heating, what will be their kinetic energy?

  • Increases by two times
  • Increases by four times
  • Decreases by two times
  • Decreases by four times
0 Comments
Correct Answer: B. Increases by four times

Explanation:

The kinetic energy (KE) of gas molecules is directly related to their speed. ... Read More Details

3 Organic Chemistry MCQs

The oxidation of secondary alcohol gives ?

  • Alkane
  • Carboxylic acid
  • Acetylene
  • Ketone
0 Comments
Correct Answer: D. Ketone

Explanation:

Oxidation is one of the most important reactions in alcohol chemistry. Alcohols are ... Read More Details

4 Organic Chemistry MCQs

The molecular formula of Methane gas is___________?

  • NH3
  • CH4
  • CO2
  • C6H6
0 Comments
Correct Answer: B. CH4

Explanation:

Methane is the simplest hydrocarbon and the first member of the alkane series. ... Read More Details

5 Organic Chemistry MCQs

The molecular formula of Sucrose (Sugar) is___________?

  • NH3
  • C12H22O11
  • C6H12O6
  • C6H6
0 Comments
Correct Answer: B. C12H22O11

Explanation:

Sucrose is one of the most common sugars found in nature. It is ... Read More Details

6 Everyday Science MCQs

The Carbon Dioxide in the atmosphere, by volume, is _______?

  • 0.039%
  • 3.9%
  • 13%
  • 30%
0 Comments
Correct Answer: A. 0.039%

Explanation:

Carbon dioxide (CO₂) is a naturally occurring gas that is present in Earth’s ... Read More Details

7 Chemistry MCQs

Diamond is an allotropic form of ?

  • Carbon
  • Hydrogen
  • Nitrogen
  • Silicon
0 Comments
Correct Answer: A. Carbon

Explanation:

Diamond is an allotropic form of carbon, meaning it is one of the ... Read More Details

8 Physics MCQs

The SI unit of Heat is ?

  • Watt
  • Volt
  • Joule
  • Newton
0 Comments
Correct Answer: C. Joule

Explanation:

Heat is a form of energy transfer that moves from a hotter object ... Read More Details

9 Urdu Adab MCQs

مسدس حالی کا اصل نام کیا ہے؟

  • مدوجزراسلام
  • شاہ نامہ اسلام
  • ضرب کلیم
  • ارمغان حجاز
0 Comments
Correct Answer: A. مدوجزراسلام

Explanation:

اردو ادب کی اصلاحی تحریک میں ایک ایسی شہرہ آفاق نظم تخلیق ہوئی ... Read More Details

10 Urdu Adab MCQs

عبدالحمید عدم کو اردو زبان کا "خیام" کیوں کہا جاتا ہے؟

  • تاریخ سیرت نگاری
  • المیہ شاعری
  • رباعیات
  • ان میں سے کوئی نہیں
0 Comments
Correct Answer: C. رباعیات

Explanation:

اردو ادب میں کئی ایسے شعرا گزرے ہیں جنہوں نے اپنی منفرد شاعری ... Read More Details