Three different galvanic cells are illustrated below. Hints: A, B and Care metals, the symbols are not real) a) Identify the cathode in cell 1? b) In cell 2, identify the electrode in which oxidation take place? Write the chemical equation this reaction. c) Arrange the metals A, B and C in the decreasing order of their reactivity. '(##VPU_TTT_CHE_X_P01_C03_E06_004_Q01##)'

What type of questions asked from the lesson of magnetic effect of electric current 

Wavelength of green light is

A) 400-450 nm

B) 500-550 nm

C) 660-720 nm

D) 720-800 nm

What is the difference between anaerobic & aerobic respiration? Name some organism that uses the aerobic mode of respiration?

What are the main components of our environment? Explain each of them briefly.

What are examples of hydrotropism plants?