General Chemistry Quiz -2

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This post features five quick and simple quizzes designed to test your general chemistry knowledge. Perfect for brushing up on the basics, these questions cover fundamental concepts in a straightforward way. Whether you’re a student, a science enthusiast, or just someone looking for a fun challenge, this is a great place to start! Stay tuned for upcoming posts where we’ll dive into more complex and challenging chemistry problems. 🚀

1. 
When 7.02 Celsius degree is converted to the Fahrenheit scale, how many significant figures are there in the Fahrenheit result?

2. 
What is the area, in square centimeters, of a rectangle that is 6.0 inches by 7/8 inch?

3. 
Table salt (sodium chloride) is 39.1% sodium. How many grams of salt contains 72.0 g of sodium?

4. 
The recommended daily allowance (RDA) of calcium is 1.2 g. Calcium carbonate contains 12.0% calcium by mass. How many grams of calcium carbonate are needed to provide the RDA of calcium?

5. 
An object sinks when placed in water if the mass of the object is greater than the mass of the water that the object displaces. Which of these objects will not sink when dropped into a bucket of water? (Given: density of water = 1.00 g/cm3)

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