Multiple choice general knowledge science & technology

How much heat is required to raise the temperature of 1g of water by 1 degree Centigrade.

  1. 1 Joule

  2. 100 Calories

  3. 100 Joules

  4. 1 Calorie
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

1 Calorie (with capital C) is the heat needed to raise 1g water by 1°C - this is the kilocalorie. 1 calorie (lowercase c) is much smaller. 1 Joule is the SI unit but equals only 0.24 calories.

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