It depends on which gas you are referring to.
There are a couple of ways to kill larva. Though it depends on the insect you can usually kill larva with chlorine.
No, Clorox bleach will not effectively kill larva. Larva are insects in their immature form, not bacteria or viruses which Clorox is designed to kill. Insecticides or natural remedies specific to the larva species are more suitable for controlling larva populations.
yes
mosquitoe
YES Yes they do
There is no such animal as a "bea".
Mosquito means: mosquito
yes
the mosquitoe
1-2 ounces
IF it was a poisenies gas then yes IT could kill you iF you werent wearing a gas mask
the larva is called the Planula