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प्रश्न
Write the radical of the following valency:
Nitrate
विकल्प
1+
2+
3+
1−
2−
3−
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उत्तर
1−
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संबंधित प्रश्न
Define: Elements-
Give two symbols which have been derived from the "English names" of the elements.
Give two examples of the following:
Solid + Liquid mixture
Match the formulas of the following of bases with their correct names.
Bases – (a) NaOH (b) KOH (c) Ca(OH)2 (d) Zn(OH)2
Names – (1) Potassium hydroxide (2) Zinc hydroxide (3) Aluminium hydroxide (4) Calcium hydroxide (5) Sodium hydroxide
Give the symbol of the following element:
Lead
State the type of element for the following:
Zinc
Write the radical of the following valency:
magnesium
Write the chemical formula of the following:
aluminium chloride
State why the molecular formula of zinc carbonate is ZnCO3 .
What does the symbol '(l)' present in a chemical equation, mean?
