Chemistry MCQs
Chemistry MCQs cover organic, inorganic, physical, analytical, and biochemistry topics. Perfect for FSc, BSc, CSS, PMS, NTS, and competitive exams, they enhance concept mastery, analytical skills, speed, and accuracy for academic and job test success.
Q: The law of conservation of mass states that:
A) Mass is constant
B) Mass changes in reaction
C) Mass disappears
D) Mass can be created
Q: Which compound contains both ionic and covalent bonds?
A) CO₂
B) H₂O
C) NaCl
D) NH₄Cl
Q: An alloy is a mixture of:
A) Metals
B) Elements
C) Non-metals
D) Compounds
Q: The reaction of acid and base produces:
A) Salt and water
B) Salt
C) Water
D) Base only
Q: Solubility of solids increases with:
A) Stirring
B) Increasing temperature
C) Decreasing temperature
D) No change