Which of the following reactions will be considered as a double displacement reaction?
AZn + FeCl3 → ZnCl2 + Fe
BH2CO3→ CO2 + H2O
CHCl+KOH → KCl + H2O
DMgO + H2O → Mg(OH)2
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വായുവിന്റെ സാന്നിധ്യത്തിൽ അയിരിനെ അതിന്റെ ദ്രവണാങ്കത്തേക്കാൾ കുറഞ്ഞ താപനിലയിൽ ചൂടാക്കുന്ന പ്രക്രിയ ഏത് ?
Which of the following reactants will come in place of A and give a neutralisation reaction? Ca(OH)2+A→ CaCl₂ + H₂O
Consider the below statements and identify the correct answer.
- Statement-1: On heating, the surface of copper powder becomes coated with black copper (II) oxide.
- Statement-II: If hydrogen gas is passed over this heated material (CuO), the black coating on the surface tums brown.
The tendency of formation of basic oxide________ when we are shifting down in a group?
Four different experiments were conducted by students of Class X. Who among them was able to perform a displacement reaction?
- 1. Navin took a beaker containing some aqueous solution of CuSO4, and added a piece of magnesium strip in it.
- II. Ayush took a beaker containing some aqueous solution of CuSO4, and added some platinum pieces in it.
- III. Sneha took a beaker containing some aqueous solution CuSO4, and added some copper tumings in it.
- IV. Akriti took a beaker containing some aqueous solution CuSO4, and added a piece of silver wire in it.