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Questions and answers by
Seraiah jonse
Questions (15)
Which of these statements is true about the Christian holiday of Easter?
A. Easter is a time when Christians celebrate their
1 answer
4 views
Language is culture. When a person decides to learn French, for example, he or she is not just learning the language, but
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15 views
The music of Africa is one of its most dynamic art forms. Egypt has long been a cultural focus of the Arab world, while
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Many South Americans like to talk very close to each other. To North Americans, and others, this may seem like an invasion of
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3 views
ure sodium metal explodes when it makes contact with water. In its natural state, chlorine is a deadly, poisonous gas. When
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7 views
A chemist who studies water samples did a demonstration of how to test for lead in water. She added a clear solution of
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5 views
As part of a science experiment, Jose did a test for starch on a slice of apple and a slice of potato. The yellow-orange iodine
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5 views
Baking soda and vinegar can be used to model a volcanic eruption in a science demonstration because they bubble violently when
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7 views
ron (Fe) and diatomic oxygen (O2) combine to produce iron(III) oxide (Fe2O3). The table below compares the properties of these
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Copper is added to a solution of nitric acid. The solution becomes hot and changes from colorless to dark blue. What is the best
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4 views
When a small piece of white marble rock is carefully placed in a beaker of hydrochloric acid, bubbles form on the surface of the
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For a science experiment, John gradually added a sodium hydroxide (NaOH) solution to warm vegetable oil in a glass test tube. He
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Over time, an iron nail reacts with water to produce iron oxide, or rust. Which of the following is a signal that rusting has
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Michael mixes two chemicals together in a beaker. The chemicals change color, and the beaker heats up quickly. What kind of
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Substance iron
iron oxide Density (g/cm3) 7.9 1.3 × 10−3 5.2
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4 views
