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1. 1 inch is equivalent to how many centimeters?

2.54 cm

2.45 cm

2.75 cm

2.5 cm

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2. How is Celsius converted to Kelvin?

K = °C + 273.15

K = °C - 273.15

K = (°C × 9/5) + 32

K = (°C × 5/9) + 32

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3. How many meters are there in 1 kilometer?

1000 m

100 m

10,000 m

100 m²

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4. 1 pound (lb) is equivalent to how many kilograms?

0.4536 kg

0.504 kg

0.356 kg

1.4536 kg

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5. What is the formula for converting Fahrenheit to Celsius?

°C = (°F - 32) × 5/9

°C = (°F + 32) × 5/9

°C = (°F × 9/5) + 32

°C = °F - 273.15

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6. 1 inch equals how many centimeters?

2.54 cm

3.14 cm

1.54 cm

5.04 cm

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7. 1 g equals how many milligrams?

1000 mg

100 mg

10 mg

500 mg

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8. How many grams are there in 1 kilogram?

100 g

1000 g

10 g

500 g

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9. How many milligrams are there in 1 gram?

100 mg

1000 mg

10 mg

500 mg

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10. 1 pound (lb) is approximately equal to how many kilograms?

0.4536 kg

0.5 kg

0.25 kg

1 kg

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11. How many seconds are there in 1 hour?

3600 seconds

60 seconds

600 seconds

2400 seconds

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12. What is 100°C in Kelvin?

373.15 K

273.15 K

212 K

0 K

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13. 0 K is equal to what Celsius temperature?

-273.15°C

0°C

273.15°C

-100°C

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14. Convert 25°C to Fahrenheit.

77°F

45°F

68°F

100°F

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15. Convert 212°F to Celsius.

100°C

0°C

32°C

50°C

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