What is produced during the replacement reaction of Cu(NO3)2 and Zn?

How does a Neutral grounding resistor work? Basic metric unit of measure for measuring the capacity of a pitcher? A straight-chain and branched-chain hydrocarbon both have the formula C4H10 What are these compounds known as? What processes are used to reduce the size of the rocks? What is the meaning of flammable symbol? Does linen absorb water? How does the structure of an amino acid enable it to play its most important roles in cells? What is the cause of a blue streak in the sky? Refers to the amount of a speciman that you are able to see and decreases as the power of magnification increases? Why the oxygen tank feels lighter when they are underwater? How are hydrogen atoms arranged in ethene? Can you run water supply pipes and electricity services in the same trench? How old do Chinese people get married? Is north Texas close to the equator? How does radium cures cancer? Which statement describes how photosynthesis and cellular respiration are interrelated? Describe the possiible effects on the proect if programmes and schedules are not updated when factors change? What is the basic difference between carbon brush of AC slip ring motor and carbon brush of Direct current commutator motor? What is a react stringer? Human red blood cells placed in a 2 percent percent salt solution appear to shrink but those placed in a 0.4 percent salt solution burst Which statement best supports these observation?