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DINESH PUBLICATION-ATOMS AND MOLECULES-VERY SHORT ANSWER QUESTIONS
- An element X has valency 3 while the element Y has valency 2. Write th...
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- Formula of the carbonate of a metal M is M(2)CO(3). Write the fomula o...
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- What do you understand from the statement "relative atomic mass of sul...
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- Calculate the formula unit mass of CaCl(2).
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- Which of the following represents the correct chemical formula? (i) ...
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- Sample A contains one gram molecules of oxygen molecules and sample B ...
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- Gram molecular mass of ammonia (NH(3)) is 17 g Is it correct to regard...
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- Give one example each of polyatomic element and polyatomic ion
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- Name the element which is used as a reterence for the atomic masses of...
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- Four samples of water [H(2)O] are collected from different sources, Ea...
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- Identify the cations and anions in the following compounds: (a)CH(3)...
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- Classify the following based on atomicity (a) O(3) (b)P(4) (c )Sg.
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- Which of the following symbols of elements are incorrect? Write correc...
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- Give the example of trivalent cation and monovalent anion. Write the f...
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- Name the compound Al(2)(SO(4))(3), and mention the ions present in it.
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- Write the formulae and the names of the ions formed by the combination...
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- Name a non-metal which is tetratomic.
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- Name the cation and anion which constirute the molecule of magnesium o...
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- An element has valency 3. Write the formula of its oxide.
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- An element has valency 3. Write the formula of its oxide.
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