nothing.
between gas mark 3 and 4.
The equivalent gas mark would be 4, although all ovens vary so check the documentation that came with your own to be certain.
To convert 165°F to gas mark, it corresponds to approximately gas mark 3. Gas mark 3 typically ranges from 325°F to 350°F. Therefore, 165°F is actually lower than gas mark 3; it would be closer to gas mark 1 or 2.
Gas mark 3 is equivalent to 160°C.
Gas mark 4.
Gas mark 3 is equivalent to about 165 degrees Celsius.
Gas mark 5. x
I'm guessing you mean 350F, which is gas mark 4.
Means the temperature of the gas is 170 degree Celsius
Yes but I'm not sure how much longer
325 degrees Fahrenheit is approximately 163 degrees Celsius. In terms of Gas Mark, it corresponds to Gas Mark 3. This temperature is commonly used for baking and roasting.
310 degrees Fahrenheit corresponds to a gas mark of approximately 2.5. In terms of cooking, this temperature is considered low, suitable for slow cooking or gentle baking. If you're using a gas oven that only has whole number gas marks, you might round it to gas mark 3 for practical purposes.