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TLS Online TPP Program

#Question id: 343

Assume that acid rain has lowered the pH of a particular lake to pH 5.0. What is the hydroxide ion concentration of this lake?

#SCPH06 I Botany

  1. 1 × 10^-9 mol of hydroxide ions per liter of lake water

  2. 1 × 10^-5 mol of hydroxide ions per liter of lake water

  3. 5.0 M hydroxide ion

  4. 5.0 × 10^-5 mol of hydroxide ions per liter of lake water

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TLS Online TPP Program

#Question id: 18590

#SCPH06 I Botany

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TLS Online TPP Program

#Question id: 18590

#SCPH28 | Zoology

Origin of life starts from which geological time period?
TLS Online TPP Program

#Question id: 18591

#SCPH06 I Botany

First green plants and fungi appeared on the land during which period?
TLS Online TPP Program

#Question id: 18591

#SCPH28 | Zoology

First green plants and fungi appeared on the land during which period?
TLS Online TPP Program

#Question id: 18592

#SCPH06 I Botany

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TLS Online TPP Program

#Question id: 18592

#SCPH28 | Zoology

Flowering plant first appeared in___