Please select a subject first
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What is a chemical bond?
Concept: undefined >> undefined
Write the basic concept of Kossel – Lewis theory.
Concept: undefined >> undefined
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Complete the following table:
| Atoms | Atomic number | Electron distribution | |
| 1. | O | 8 | ______ |
| 2. | N | ______ | ______ |
| 3. | ______ | 17 | ______ |
| 4. | ______ | ______ | 2,8,2 |
Concept: undefined >> undefined
Complete the following table:
| a. | Dativebond | ______ |
| b. | CaH2 → Ca+H2 | ______ |
| c. | ______ | Reduction |
| d. | ______ | Redox reaction |
Concept: undefined >> undefined
| Name of compound | Type of compound | |
| a. | Sodium chloride | ______ |
| b. | ______ | co-ordinate covalent compound |
| c. | Methane | ______ |
| d. | Fluorine molecule | ______ |
Concept: undefined >> undefined
Name the acid present in the given table.
Concept: undefined >> undefined
The Acid secreted in our stomach is ______.
Concept: undefined >> undefined
Hydrochloric Acid reacts with metal bicarbonates to give ______.
Concept: undefined >> undefined
Which of the following metal does not react with sodium hydroxides?
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Curd contains ______ acid.
Concept: undefined >> undefined
Which one of the following acids undergoes complete ionisation?
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______ contain one or more replaceable hydrogen atoms.
Concept: undefined >> undefined
______ acids have a relatively smaller amount of acids dissolved in a solvent.
Concept: undefined >> undefined
Non-metallic oxides are ______ in nature.
Concept: undefined >> undefined
Complete the following equation.
HCl + H2O → ______ + ______.
Concept: undefined >> undefined
Complete the following equation.
H+ + H2O → ______.
Concept: undefined >> undefined
Complete the following equation.
Mg+ ______ → ______ + H2.
Concept: undefined >> undefined
Complete the following equation.
Na2CO3 + 2HCl → ______ + ______ + CO2↑
Concept: undefined >> undefined
Complete the following equation.
ZnO + 2HCl → ______ + ______.
Concept: undefined >> undefined
