Chemistry

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Bottled water generally has fewer dissolved ions than tap water. Indicate whether the statement ... Started by jilianpiloj	1 Replies 101 Views	Aug 27, 2018 by jharrington11
One of the disadvantages of polybutadiene rubber for automobile tires is A) poor resistance to ... Started by stevenposner	1 Replies 122 Views	Aug 27, 2018 by af
What does 20-5-15 on a bag of fertilizer mean? What will be an ideal ... Started by notis	3 Replies 48 Views	Aug 27, 2018 by ecox1012
Base pairing in DNA occurs through A) covalent bonds between complementary bases on nucleic acid ... Started by Alainaaa8	1 Replies 89 Views	Aug 27, 2018 by bigcheese9
As the LD50 of a substance decreases, the toxicity of the substance ________. Fill in the ... Started by lilldybug07	1 Replies 74 Views	Aug 27, 2018 by Mollythedog
In order for a synthetic polymer to be used as a binder in water-base latex paints, it must have ... Started by Beheh	1 Replies 111 Views	Aug 27, 2018 by Kingjoffery
One of the major problems with the use of household chemicals is A) they are toxic. B) consumers ... Started by daltonest1984	3 Replies 80 Views	Aug 27, 2018 by bassamabas
Which of the following is NOT found in nucleic acids? A) deoxyribose B) glycerol C) phosphate ... Started by WWatsford	1 Replies 70 Views	Aug 27, 2018 by polinasid
Silicone is a(n) A) polyester. B) plasticizer. C) conducting polymer. D) None of the ... Started by Sportsfan2111	1 Replies 107 Views	Aug 27, 2018 by vkodali
One example of a condensation polymer is A) polyvinyl chloride. B) nylon. C) Plexiglass. D) ... Started by KimWrice	1 Replies 179 Views	Aug 27, 2018 by Li Jun
Which of the following is NOT true for a DNA double helix? A) Complementary base pairs are on the ... Started by roselinechinyere27m	3 Replies 159 Views	Aug 27, 2018 by nathang24
American pioneers combined potash solution and animal fat in a huge iron kettle and cooked it over ... Started by lunatika	1 Replies 95 Views	Aug 27, 2018 by gcook
Water pollution can be completely eliminated by tripling our current funding for Clean Water Act ... Started by mwit1967	1 Replies 83 Views	Aug 27, 2018 by macmac
Nylons are named according to the number of ________ atoms in each monomer unit. A) hydrogen B) ... Started by armygirl	1 Replies 112 Views	Aug 27, 2018 by bookworm410
What are two relatively unique physical properties of water? What impact do these properties have on ... Started by CBme	3 Replies 179 Views	Aug 27, 2018 by Smiles0805
Composite materials are used for A) paint. B) disposable cups. C) thread. D) automobile ... Started by stephzh	1 Replies 114 Views	Aug 27, 2018 by Dominic
The heat capacity of water is ________ (greater/less) than that of ethanol. Fill in the blank(s) ... Started by michelleunicorn	1 Replies 71 Views	Aug 27, 2018 by amy.lauersdorf90
The hereditary material of all cells is found in the A) chromosomes. B) mitochondria. C) ... Started by saliriagwu	1 Replies 96 Views	Aug 27, 2018 by mceravolo
Which of the following is NOT a condensation polymer? A) polypropylene B) polyester C) Dacron ... Started by bclement10	3 Replies 144 Views	Aug 27, 2018 by jharrington11
Human body cells have ________ chromosomes. A) 52 B) 22 C) 46 D) ... Started by yoooooman	1 Replies 95 Views	Aug 27, 2018 by emsimon14
In cleaning, soap acts as a(n) ________ between dirt and water. A) catalyst B) chemical reactant ... Started by lindiwe	1 Replies 136 Views	Aug 27, 2018 by AngeliqueG
Which of the following statements about addition and condensation polymers is true? A) Both ... Started by leo leo	1 Replies 442 Views	Aug 27, 2018 by s.meritte
It is estimated that approximately ________ people in the world do not have an adequate supply of ... Started by bobthebuilder	3 Replies 106 Views	Aug 27, 2018 by sierramartinez
In acidic solutions, soaps are converted to A) salts. B) fatty acids. C) detergents. D) ... Started by erika	1 Replies 79 Views	Aug 27, 2018 by ErinKing
VOC stands for ________. Fill in the blank(s) with correct word ... Started by jrubin	1 Replies 61 Views	Aug 27, 2018 by blazinlyss