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Questions and Answers
Which two gases are soluble in water?
Which two gases are soluble in water?
- Methane and steam
- Air and oxygen
- Oxygen and steam (correct)
- Carbon dioxide and nitrogen
Which of the following objects will float on water?
Which of the following objects will float on water?
- Lemon
- Coin
- Ice
- Cork (correct)
What are two materials opaque objects are made from?
What are two materials opaque objects are made from?
- Wood and rubber (correct)
- Glass and plastic
- Aluminum and paper
- Diamond and crystal
Which of the following objects are seen but not clearly?
Which of the following objects are seen but not clearly?
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Which of the following is not soluble in water?
Which of the following is not soluble in water?
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Which object does not sink in water?
Which object does not sink in water?
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$1$. What is the weight of air?
$1$. What is the weight of air?
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$2$. Which gas is commonly used in balloons to make them float?
$2$. Which gas is commonly used in balloons to make them float?
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