English example sentences with "alkaline"

When investigating the pH (acidic, neutral, alkaline) of a liquid, don't soak the litmus paper completely in the liquid but just put the end of the paper in it.
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Beryllium, magnesium, calcium, strontium, barium and radium are alkaline earth metals.
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Liquids are either acid or alkaline.
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Toothpaste is alkaline.
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The ocean is slightly alkaline.
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Calcium is the name for the element with atomic number 20 and is represented by the symbol Ca. It is a member of the alkaline earth metal group.
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Magnesium is the name for the chemical element with atomic number 12 and is represented by the symbol Mg. Magnesium is an alkaline earth metal.
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Radium is the name for the element with atomic number 88 and is represented by the symbol Ra. It is a member of the alkaline earth metals group.
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These heathers are adapted to alkaline soils.
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Owing to the refractory nature of alumina it is with difficulty that it can be diffused in alkaline silicates, borates, or lead silicates.
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Three new studies co-authored by Mike Russell, a research scientist in planetary chemistry and astrobiology at the NASA Jet Propulsion Laboratory, strengthen the theory that life on Earth began at alkaline thermal vents at the bottom of the ocean.
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