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photoshop1234 [79]
3 years ago
10

Which statement best describes the properties of metals?

Chemistry
2 answers:
topjm [15]3 years ago
6 0
<span>The only statement that states a fact about metals is the first option, letter A. They are shiny and bend without breaking. Choices B-D are wrong because metals are not insulators but are god conductors of heat and electricity. Metals can be flattened but they are not brittle.</span>
ser-zykov [4K]3 years ago
5 0

Answer:

The correct answer is A.

Explanation:

The properties of metals include

  1. Generally all the metals are hard except sodium and potassium are soft.
  2. They are malleable that means it can be molded into different shapes.
  3. They are ductile that means it can be molded into thin wire.
  4. They are good conductor of heat and electricity.
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Which of the following is/are correct regarding the pentose phosphate pathway? I. NADH is generated by the oxidation of glucose-
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Answer:

The correct answer is 1 NADH is generated by the oxidation of glucose-6-phosphate.

Explanation:

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   This enzyme need NAD+ as co enzyme which get reduced to generate NADH.

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In the diagram, the arrow shows the movement of electric charges through a wire connected to a battery. What causes the electric
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3 years ago
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Question 20 (1 point)
romanna [79]

Answer:

A. The ratio of the element in glucose is different than in ethanol

Explanation:

The compounds given are;

      Glucose      C₆H₁₂O₆

     Ethanol         C₂H₆O

The two compounds given are different from one another. But they have the same elemental composition.

   Ethanol is made up of Carbon, hydrogen and Oxygen and so also, Glucose

Now,

  The number of atoms in both compounds are different;

                                   Number of atoms

                        C                             H                     O

Glucose           6                             12                      6

Ethanol            2                              6                       1

8 0
3 years ago
Help help help help help
Savatey [412]

Answer:

Option 4 ) 1-butyne

Explanation:

In organic chemistry, you should use IUPAC convention in order to name an organic compound. First of all, you should identify the lenght of the organic chain, for this case, you have 5 C atoms, but in fact, you have a triple bond (which would be a substitute: ethynil-) as a substitute, so the main skeleton would have 4 C atoms (a butane)

Then, you start by numbering carbon N° 1 as the one that has the substitute (triple bound)-starting from the right, it would be the second C):

CH₃-CH₂-CH₂-C≡CH

Which will finally leads us to 1-butyne

5 0
3 years ago
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