Identify the correctly matched sets:
CO - neutral oxide GeO - acidic oxide PbO - basic oxide
1. CO (Carbon monoxide):
CO is a neutral oxide. It does not react with either acids or bases under normal conditions.
2. GeO (Germanium monoxide):
GeO is an acidic oxide. It reacts with bases to form salts and water.
3. PbO (Lead(II) oxide):
PbO is amphoteric, meaning it can react with both acids and bases. However, it is predominantly basic in nature.
Therefore, the correctly matched sets are:
i. CO - neutral oxide
ii. GeO - acidic oxide
PbO is amphoteric rather than strictly basic.
Thus, the correct option is (3) i, ii only.
Final Answer:
i, ii only.
Identify the non-biodegradable wastes from the following:
[I.] Thermal power plants which produce fly ash
[II.] Wastes generated by cotton mills
[III.] Wastes produced by food processing units
[IV.] Slag produced from blast furnace
The percentage error in the measurement of mass and velocity are 3% and 4% respectively. The percentage error in the measurement of kinetic energy is:
If \( L, M, N \) are the midpoints of the sides PQ, QR, and RP of triangle \( \Delta PQR \), then \( \overline{QM} + \overline{LN} + \overline{ML} + \overline{RN} - \overline{MN} - \overline{QL} = \):