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Metals are good_____(oxidizing agent/reducing agents) because they are electron______(acceptor/donors).
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Electrovalent compounds have ________(high/low) melting points.
High
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Higher the pH value of a solution, the more______(acidic/alkaline) it is.
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_____(AgCl/PbCl2), a white precipitate is soluble in excess NH4OH.
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Conversion of ethene to ethane is an example of _______(hydration/hydrogenation).
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An element with the atomic number 19 will most likely combine chemically with the element atomic number is:
17
11
18
18
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The ratio between the number of molecules in 2g of hydrogen and 32g of oxygen is:
[Given that H=1, O=16]
1:2
1:0.01
1:1
1:1
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The two main metals in Bronze are:
Copper and zinc
Copper and lead
Copper and nickel
Copper and nickel
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The particles present in strong electrolytes are:
Only molecules
Mainly ions
Ions and molecules
Ions and molecules
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The aim of the Fountain Experiment is to prove that:
HCl turns blue litmus red
HCl is denser than air
HCl is highly soluble in water
HCl is highly soluble in water