What is the standard reduction potential (E∘) for Fe3+→Fe ?
Given that :
3 g of activated charcoal was added to 50 mL. of acetic acid solution (0.06N) in a flask. After an hour it was filtered and the strength of the filtrate was found to be 0.042 N. The amount of acetic acid adsorbed (per gram of charcoal) is :
Let C be the circle with centre at (1, 1) and radius = 1. If T is the circle centred at (0, y), passing through origin and touching the circle C externally, then the radius of T is equal to
Match List-I (Electromagnetic wave type) with List-II (Its association/application) and select the correct option from the choice given below the lists :
The supply voltage to a room is 120 V. The resistance of the lead wires is 6 Ω A 60 W bulb is already switched on. What is the decrease of voltage across the bulb, when a 240 W heater is switched on in parallel to the bulb?