Multiple Choice
Which of the following is a chemical reaction?
A) Rusting of iron
B) Slicing a ham
C) Liquefying oxygen
D) Melting ice
Correct Answer:
Verified
Correct Answer:
Verified
Q7: Express the following numbers in scientific notation.<br>A)109,000<br>B)0.00065<br>C)61,000,000,000<br>D)26<br>E)0.00000720
Q8: Express the following in exponential form:<br>A)5765<br>B)0.000365<br>C)102,000<br>D)0.00000240<br>E)602,000,000,000<br>F)2000
Q9: What is the correct element symbol for
Q10: All the different kinds of substances that
Q11: Which of the following statements bests describes
Q13: Iron is an example of a micronutrient.
Q14: Express the following quantities in calories (cal).<br>A)98.3
Q15: Antimony is a metal.
Q16: A Calorie is equivalent to 1000 calories.
Q17: Which of the following represents a homogeneous