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प्रश्न
Metal corrodes due to salts.
विकल्प
True
False
MCQ
सत्य या असत्य
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उत्तर
This statement is True.
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
Give one example in the following case:
A hydroxide which is insoluble in water.
Give the significance of pH of soil in agriculture.
Match the important chemicals given in Column (A) with the chemical formulae given in Column (B)
| Column (A) | Column (B) |
| (a) Plaster of Paris | Ca(OH)2 |
| (b) Gypsum | CaSO4. 1/2 H2O |
| (c) Bleaching Powder | CaSO4.2H7O |
| (d) Slaked Lime | CaOCl2 |
On adding phenolphthalein indicator to a colourless solution, no change is observed. What is the nature of this solution?
Phenolphthalein gives ______ colour with lime water.
Water-soluble bases are called ______.
______ are bitter in taste.
The nature of toothpaste commonly used is ______ in nature.
Al(OH)3 & Zn(OH)2 are not alkalis.
NaOH & KOH are strong bases.
