Are lead pencils poisonous?

Are lead pencils poisonous?
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1 Answer

Answer :

Despite the word lead, there is no lead metal in a lead pencil. Graphite is used, which is a minimally-toxiccarbon based substance.
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Related questions

Why were pencils ever made with lead if it is bad for us?

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Last Answer : A long time ago, people didn´t know that lead was bad for us. Sothey used what they found because it worked. Then it made peoplesick. So now we use graphite.

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Lead pencils are made of?

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Last Answer : C. Carbon (Answer)

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Caution must be exercised during the charging of lead-acid storage batteries as _____________. A. the acid will become weaker B. hydrogen gas is being continuously liberated C. both plates are changing chemically to lead sulfate D. lead peroxide in the negative plate is poisonous

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Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb (OH)2 . Lead pipes are readily corroded by (A) Dilute HCI (B) Acetic acid (C) Concentrated H2SO4 (D) None of these

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Pencils versus pens? When was the last time you used a pencil? Could you even find one?

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Do you have a recommendation for a brand of colored pencils?

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Why are number 2 pencils the standard for a lot of test?

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A boy presses a side of a blue pencil to a side of a yellow pencil, holding both pencils vertically. One inch of the pressed side of the blue pencil, measuring from its lower end, is smeared with paint. The yellow pencil is held steady while the boy slides the blue pencil down 1 inch, continueing to press it against the yellow one. He returns the blue pencil to its former position, then again it slides down 1 inch. He continues until he has lowered the blue pencil 5 times and raised it 5 times- 10 moves in all.Supposed that during this time the paint neither dries nor diminishes in quantity. How many inches of each pencil will be sneared with paint after the tenth move? -Riddles

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Last Answer : At the start, 1inch of the yellow pencil gets smeared with wet paint. As the blue pencil is moved downward, a second inch of the blue pencils smears a second inch of the yellow pencil. Each pair ... of moves will smear 5 inches. This together with the initial inch, makes 6 inches for each pencil.

Average cost of 10 pens is rupees 200 & average cost of 10 pencils is 100 rupees find the average cost of the all pens and pencils​ -Maths 9th

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Last Answer : 10 pens of average cost = 200 => 10×200 = 2000 rupees 10 pencils average cost = 100 rupees => 10×100=1000 Pens + Pencils = 20 Total average 2000+1000 = 3000 Rupees 150 is average for average cost of each pen and pencil ✏

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Which of the following is used in pencils? A.Graphite B.Silicon C.Charcoal D.Phosphorous -Science

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Dave has 75 pencils . If 40 are red and 32 are green ,how many are blue?

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The actual material an artist uses such as acrylic paint markers in charcoal photography and colored pencils?

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The actual material an artist uses such as acrylic paint markers in charcoal photography and colored pencils?

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Last Answer : a plant manager who buys petrol for her personal car

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Ashwini has a certain number of Pencils she wishes to distribute in the class. when she tries to distribute 7 pencils to each student, 3 pencils are left out. if the class had 3 less students, each student would have got 2 pencils more, and no pencils would have been left out. How many pencils does Ashwini have? a) 90 b) 120 c) 140 d) 160 e) None of these

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Last Answer : Let number of students be X. so, total Pencils = 7X + 3 7X + 3 = (7+2) (X-3) or., 7X + 3 = 9X – 27 or X = 15 total Pencils = 7X + 3 = 108 Answer: e)

Pencils are bought at 3 for Rs.2 and sold at 2 for Rs.3.Find the gain percentage 1)100% 2)110% 3)125% 4)115%

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Joan recently changed employers within the same industry. At her old company, employees routinely took home company pens, pencils, and note pads, and they frequently made personal long -distance calls on company phones. Joan observes that employees do not engage in such practices at her new company. What Joan sees could best be described as a difference in A)significant others. B)profit objectives. C)corporate culture. D)legal climate. E)corporate goals.

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Description : Consider a pack contains 2black, 9 white and 3 pink pencils. If a pencil is drawn at random from the pack, replaced and the process repeated 2 more times, What is the probability of drawing 2 black pencils and 1 pink pencil? a)3/ 49 b)3/686 c)3/14 d)3/545

Last Answer : Answer: B) Here, total number of pencils = 14 Probability of drawing 1 black pencil = 2/14 Probability of drawing another black pencil = 2/14 Probability of drawing 1 pink pencil = 3/14 Probability of drawing 2 black pencils and 1 pink pencil = 2/14 * 2/14 * 3/14 = 3/686

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