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प्रश्न
State whether the following statements are true or false :
A chloride ion has negative charge because it has more electrons than a neutral atom.
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उत्तर
True. A chloride ion carries a negative charge because it has more electrons than a neutral atom.
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संबंधित प्रश्न
Name the following radicals :
HC03
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A liquid compound X of molecular mass 18 u can be obtained from a number of natural sources. All the animals and plants need liquid X for their survival. When an electric current is passed through 200 grams of pure liquid X under suitable conditions, then 178 grams of gas Y and 22 grams of gas Z are produced. Gas Y is produced at the positive electrode whereas gas Z is obtained at the negative electrode. Moreover, gas Y supports combustion whereas gas Z burns itself causing explosions.
- Name (i) liquid X (ii) gas Y, and (iii) gas Z.
- What is the ratio of the mass of element Z to the mass of element Y in the liquid X ?
- Which law of chemical combination is illustrated by this example ?
- Name two sources of liquid X.
- State an important use of Y in our life.
What do you understand by the following terms?
Acid radical
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Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
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Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Stannic phosphate
State if the following element or radical is divalent?
Nickel
State if the following element or radical is divalent?
Ammonium
State if the following element or radical is divalent?
Nitride
