YES
only sugar ants
The effect the chalk has on ants is that it can penetrate their skin and dehydrate them. Chalk can slowly kill an ant.
The ants can't cross the line of powder.
A few bay leaves scattered loose on cupboard shelves will repel inspects of many kinds, including ants.
Tomato juice kills my ants
Salt does not repel bugs. In fact, some bugs like ants are attracted to salt.
Yes, ants are repelled by the scent coffee gives off. You can see other natural ways to repel ants at the related link below.
Yes, lavender has a strong scent that can repel ants along with other pests like moths and mosquitoes. Placing lavender plants or sachets near entry points or where ants are present may help deter them due to the fragrance. However, it may not be as effective as other specific ant repellents or deterrents.
An electric motor.
The 3 laws of electric charges; -Opposites attract -Like charges repel. -neutral attract(a positive/negative + neutral will attract) Hope that helps.
Yes, coffee grounds do repel ants, and it does not need to be used in order to do so. Insecticides are more efficient, however coffee grounds do work. Don't believe me though. Mix a glass of water with 3 tablespoons and mix a glass of coffee with 3 tablespoons of sugar. You'll see the ants will swarm the sugar water, but show no interest in your coffee with sugar.
The small slot in an electric devise that an SD card goes in.