Chemistry, 29.12.2019 20:31 abbeygrace13
1. the following are statements about flames some of them are true while others are
false. a bracket is placed against each statement. put in the bracket a letter t for a
true statement and f for a false statemeni
i the carbon particles are formed when the gas is not completely burnt )
a solid or liquid must be change to gaseous state in order to make flame ( )
iii. a non- luminous bunsen flame produces has three visible regions( )
iv.
the luminous bunsen flame produces less soot than the non- luminous flame
vi.
vii.
a yellow bunsen flame is obtained when the air holes are opened ( )
the luminous bunsen flame is hotter than a non- luminous bunsen flame ( )
bunsen burner uses kerosene as a source of heat ()
1.
11
Answers: 1
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The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397
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1. the following are statements about flames some of them are true while others are
false. a b...
false. a b...
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