Test
1_Prueba objetiva
Este test tiene tipos de pregunta que se abren en el reproductor de siempre.
Preguntas del test (10)
1.
The paraffinic series of hydrocarbon compounds can be either straight chain or branched chain carbon atoms. they are commonly referred to as alkanes.
How are paraffins also called?- Astraght chain
- Balkanes
- Cparaffinic
2The paraffinic series of hydrocarbon compounds can be either straight chain or branched chain carbon atoms. they are commonly referred to as alkanes.
Which are the connectors?- Aand, or
- Bcan, to as,
- Cand, either-or
3Aromatics are unsaturated ring type (cyclic) compounds which react readily because they have carbon atoms that are deficient in hydrogen.
"which" refers to...- Aunsaturated ring compounds
- Bcarbon atoms
- CAromatic compounds
4Aromatics are unsaturated ring type (cyclic) compounds which react readily because they have carbon atoms that are deficient in hydrogen.
Acording to the paragraph, are aromatics unstabel?- Ayes
- Bno
- Cno information
5The branch chain paraffins are saturated hydrocarbons, with all carbon bonds satisfied, [blank_start]that is[blank_end], the hydrocarbon chain carries the full complement of hydrogen atoms.
- Athat is
- Bin addition
- Calthough
6Research is currently being [blank_start]carried out[blank_end] in many laboratories to find alternatives to nonrenewable fuels.
- Acarried out
- Bdo
- Cdone over
7Biodisel contains no sulfur or nitrogen ompounds and [blank_start]hence[blank_end] they do not contribute to acid rain.
- Ahence
- Bsuch
- Chowever
8There have been many developmental issues related to these fuels; they solidify at low temperatures and [blank_start]break down[blank_end] at higher temperatures.
- Abreak down
- Bfall under
- Cbreak up
9The American University is [blank_start]currently[blank_end] working on improving biofuels.
- Acurrently
- Bactually
- Clast year
10Students should be [blank_start]encouraged[blank_end] to conduct several reactions varying amounts of catalyst to find the best ratio.
- Aencouraged
- Bdoing
- Cfind
Información
- Descripción
- lee tos textos y contesta las preguntas
- Autor
- cendonm75
- Idioma
- Español
- Visitas
- 3
- Historial
- Creado el 28 ene 2016 · actualizado el 19 feb 2016
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