Chemistry Archives - Page 60 of 414 - Erudites Academy

Zinc and carbon rods are used as anode and cathode respectively in a?

Zinc and carbon rods are used as anode and cathode respectively in a?

by Sunday | Oct 14 | Chemistry JAMB

A. Leclanche cell B. lead accumulator C. Daniel cell D. voltaic cell Correct Answer: Option A – Leclanche cell Explanation In a Leclanche cell, the anode and the cathodes are a zinc rod and a carbon rod respectively. The electrolyte is an ammonium chloride...

Zinc and carbon rods are used as anode and cathode respectively in a?

The ion that can be used as an oxidizing agent is?

by Sunday | Oct 14 | Chemistry JAMB

A. Au³+ B. Fe³+ C. ClO− D. Ca²+ Correct Answer: Option C = ClO− Explanation All the other options given, in their atom state can be good oxidizing agents but the ions are reducing agents.

Zinc and carbon rods are used as anode and cathode respectively in a?

The mass of carbon(IV)oxide produced on burning 78 g of ethyne is? [C =12, O = 16, H = 1]

by Sunday | Oct 14 | Chemistry JAMB

2C2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(g) A. 264 g B. 39 g C. 352 g D. 156 g Correct Answer: Option A = 264 g

Zinc and carbon rods are used as anode and cathode respectively in a?

If 30cm³ of gas at 50°C is warmed to 80°C at a fixed pressure; the fractional increase in volume is?

by Sunday | Oct 14 | Chemistry JAMB

A. 0.009 B. 0.093 C. 0.910 D. 1.090 Correct Answer: Option D = 1.090

Zinc and carbon rods are used as anode and cathode respectively in a?

The idea of planetary electron was that of?

by Sunday | Oct 14 | Chemistry JAMB

A. Rutherford B. Thompson C. Bohr D. Dalton Correct Answer: Option A – Rutherford

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