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प्रश्न
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
उत्तर
| Names | Bases | ||
| (1) | Potassium hydroxide | (b) | KOH |
| (2) | Zinc hydroxide | (d) | Zn(OH)2 |
| (3) | Calcium hydroxide | (c) | Ca(OH)2 |
|
(4) |
Sodium hydroxide | (a) | NaOH |
संबंधित प्रश्न
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of its
Acetate
Fill in the blank:
Dalton used symbol _____ for oxygen and _____ for hydrogen.
Match the noble gases – with their correct symbols:
| Noble gases | Symbols |
| (a) Helium | (1) Ar |
| (b) Neon | (2) Xe |
| (c) Argon | (3) Rn |
| (d) Krypton | (4) He |
| (e) Xenon | (5) Kr |
| (f) Radon | (6) Ne |
Give the symbol of the following element:
Sodium
Give the symbol of the following element:
Phosphorus
State the type of element for the following:
Arsenic
Write the radical of the following valency:
Bromine [Bromide]
Write the radical of the following valency:
Hydroxide
What does the symbol '→' present in a chemical equation, mean?
Which of the following symbols of elements are incorrect? Give their correct symbols
- Cobalt CO
- Carbon c
- Aluminium AL
- Helium He
- Sodium So
