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Natural gas and oxygen produce water and carbon dioxide under the condition of ignition, so the answer is: CH4+2O2 ignition
CO2+2H2O, natural gas is flammable, it will explode when encountering an open flame, when turning on the electrical switch, an electric spark may be generated, which will detonate the natural gas, and opening the window for ventilation can reduce the concentration of indoor natural gas, so choose A
According to the accounting principle, it should be calculated as direct expenses and directly amortized to the current cost.
If you look at the smell, if it's a natural gas leak, it smells of rotten eggs, and this is a very obvious smell.
One is enough, it won't be used in 3 places together, even if you need it, it's no problem to buy a good quality and use 2 places together. >>>More
The main riser of the kitchen gas is connected by galvanized steel pipe wire, only when connected to the gas stove will be connected with stainless steel corrugated hose, this stainless steel corrugated hose does not need to be replaced frequently as long as it is detected and does not leak, please adopt.
The main component of natural gas is CH4, but there are also other hydrocarbons. >>>More