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Which of the following solutions do not conduct electricity?
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Water-soluble bases are called ______.
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______ are bitter in taste.
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______ alkali has a relatively high percentage of alkali in its aqueous solution.
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The nature of toothpaste commonly used is ______ in nature.
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What does the acidity of the base mean?
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Al(OH)3 & Zn(OH)2 are not alkalis.
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NaOH & KOH are strong bases.
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The arrangement of atoms in diamond is ______.
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The number of free electrons in each carbon of diamond is ______.
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Diamond is not a good conductor of electricity because ______.
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______ structure is accountable for hardness and rigidity of the diamond.
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Answer the following by rearranging the jumbled letters :
It is the hardest allotrope of carbon
mnodaid
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Prove that a diamond is a pure form of carbon?
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Differentiate crystalline and amorphous forms of allotropes of carbon.
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A high concentration of antibiotics is needed for Effective action.
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Mention the uses of Penicillin.
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What are the main sources of Antibiotics?
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Name any five natural antibiotics.
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What are known as Antibiotics?
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