Question

1. One of the essential minerals in the human body is salt. How much salt (NaCl) is in the average

adult human body ? [ ]

1) 1 kilogram 2) 500 grams 3) 250 grams 4) practically none

2. If you fill a glass to the brim with ice water and the ice melts, what will happen? [ ]

1) The glass will over flow as the ice turns to water

2) The level of water in the glass will remain unchanged as the ice melts.

3) The water level will drop slightly as the ice melts.

4) I’ll never find out because I’ll drink the water or walk away before anything happens.

3. The symbol Sb stands for stibnum or stibnite. What is the modern name of this element?[ ]

1) Arsenic 2) Tin 3) Antimony 4) Samarium

4. Water-based liquids can be described as acidic, neutral, or basic with respect to pH. Which of

these describes milk ? Milk does not have a pH [ ]

1) Slightly Acidic 2) Strong Acid 3) Neutral 4) Slightly Basic​

Answer 1

Answer:

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