Please select a subject first
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How many atoms of each kind are present in the following molecule:
Chlorine
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How many atoms of each kind are present in the following molecule:
water
Concept: undefined >> undefined
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How many atoms of each kind are present in the following molecule:
carbon tetrachloride
Concept: undefined >> undefined
How many electrons are required or released by each atom in chlorine to attain the nearest noble gas configuration?
Concept: undefined >> undefined
How many electrons are required or released by each atom in water molecule to attain the nearest noble gas configuration?
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How many electrons are required or released by each atom in carbon tetrachloride to attain the nearest noble gas configuration?
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The one which is composed of all the three kinds of bond.[ionic, covalent and coordinate bond]
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Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is a metal.
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Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is chemically inert.
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Elements A, B and C have atomic number 17, 19 and 10 respectively.
Write down the formula of the compound formed by two of the above elements.
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Select the correct answer from A, B, C, D and E.
A compound which in the aqueous solution state, is neutral in nature.
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Complete the following blank in the equation as indicated.
\[\ce{CaH2_{(s)} + 2H2O_{( aq)}-> Ca(OH)2_{(s)} + 2H2_{(g)}}\]
Grams: 42 g + ______ `→` ______ + ______
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Complete the following blank in the equation as indicated.
\[\ce{CaH2_{(s)} + 2H2O_{( aq)}-> Ca(OH)2_{(s)} + 2H2_{(g)}}\]
Molecules: 6.02 × 1023 + ______ `→` ______ + ______
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Potassium sulfite on reacting with hydrochloric acid releases _______ gas. (Cl2, SO2, H2S)
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Identify the substance underlined, in the following case:
Cation that does not form a precipitate with ammonium hydroxide but forms one with sodium hydroxide.
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Identify the substance underlined, in the following case
An organic compound containing – COOH functional group
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Write a balanced chemical equation for the following:
Action of cold and dilute Nitric acid on Copper
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State one relevant observation for given reactions:
Action of dilute Hydrochloric acid on iron (II) sulfide.
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State one relevant observation for given reactions:
Action of Sodium hydroxide solution on ferrous sulfate solution.
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Draw the structural formula for Diethyl ether
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