
كويز 1
Quiz by Dr.Mariam
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- Q1
What is the density of a liquid with a volume of 359 ml, and a mass of 498 grams?
1.39 g/ml
178782 g/ml
0.721 g/ml
857 g/ml
300s - Q2
What is the volume of a 41.5 g of metal with density of 12.8 g/cm3?
531.2 cm3
54.3 cm3
0.308 cm3
3.24 cm3
300s - Q3
Determine the volume of an object that has a mass of 229 g and a density of 15.6 g/cm3.
1.5 cm3
244.6 cm3
3572 cm3
14.7 cm3
300s - Q4
Express the number 0.0000677 in scientific notation
6.77x10-5
677x10-3
6.77+10-5
6.8x10-6
300s - Q5
Which of the following is a physical property?
Melting of at 601 ᵒC
Toxicity of cyanide
Flammability of gasoline
Reactivity of acids
300s - Q6
The density ofCarbon tetrachloride is 1.28 g/ml. What is the volume of 48.1 g of Carbon tetrachloride?
61.57 ml
46.82 ml
49.38 ml
37.6 ml
300s - Q7
Express the number 0.0000194200 in scientific notation.
0.1942 x10-5
0.194200
1.94200x10-5
1.942x10-5
300s - Q8
How many significant figures are in 0.04920 g?
4
3
6
5
300s - Q9
A temperatureof 74.5ᵒC is the sameas ……….. ᵒF.
166 ᵒF
347.65 ᵒF
-198.65 K
116 K
300s - Q10
How many millilitres is 0.005 L?
0.000005 ml
0.5 ml
0.50 ml
5 ml
300s