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Showing posts with label hydrogen. Show all posts
Showing posts with label hydrogen. Show all posts

May 9, 2019

[Answer] 10. All carbohydrates contain carbon, hydrogen and oxygen. All proteins contain carbon, hydrogen, oxygen and what other element?

Step 1 : Introduction to the question "10. All carbohydrates contain carbon, hydrogen and oxygen. All proteins contain carbon, hydrogen, oxygen and what other element?"



...1. Nitrogen 2. Fluorine 3. Sulphur 4. Chlorine They are the only main food component that contains an extra element.

Jan 24, 2019

[Answer] 5. What is the most common hydrogen compound on Earth?

Step 1 : Introduction to the question "5. What is the most common hydrogen compound on Earth?"



...1. Air 2. Natural gas 3. Sand 4. Water Water (H2O) covers over 70% of the earth's surface and comprises nearly 85% of our bodies. Without it no life would have been possible.

Dec 18, 2018

[Answer] 6. This gas when combined with hydrogen tends to make things wet, and we would die without it!

Step 1 : Introduction to the question "6. This gas when combined with hydrogen tends to make things wet, and we would die without it!"



...1. nitrogen 2. chlorine 3. helium 4. oxygen Oxygen will combine with most elements, and is present in hundreds of thousands of organic compounds.