1. A substance has a mass of 5 g and occupies a volume of 2 cm^3. What is its density?
- A4.5
- B2.5
- C2
- D3.5
उत्तर दिखाएँ
उत्तर: B
Density = Mass / Volume = 5 / 2 = 2.5 g/cm^3.
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Density Calculations — Chemistry Questions & Practice
187 Density Calculations questions from Chemistry for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong. का अभ्यास करें
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Density Calculations पर अभ्यास प्रश्न — उत्तर सहित
Try each question first, then open the answer. Explanations are included.
2. A substance has a mass of 5 g and occupies a volume of 3 cm^3. What is its density?
- A0.67
- B1.67
- C1.17
- D3.67
उत्तर दिखाएँ
उत्तर: B
Density = Mass / Volume = 5 / 3 = 1.67 g/cm^3.
3. A substance has a mass of 5 g and occupies a volume of 4 cm^3. What is its density?
- A0.25
- B2.25
- C3.25
- D1.25
उत्तर दिखाएँ
उत्तर: D
Density = Mass / Volume = 5 / 4 = 1.25 g/cm^3.
4. A substance has a mass of 5 g and occupies a volume of 5 cm^3. What is its density?
- A1.5
- B1
- C3
- D0.5
उत्तर दिखाएँ
उत्तर: B
Density = Mass / Volume = 5 / 5 = 1 g/cm^3.
5. A substance has a mass of 5 g and occupies a volume of 6 cm^3. What is its density?
- A1.83
- B1.33
- C0.83
- D2.83
उत्तर दिखाएँ
उत्तर: C
Density = Mass / Volume = 5 / 6 = 0.83 g/cm^3.
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