Can snorting baking soda kill you?

The answer should be YES, it CAN kill you.

CO2 is not poisonous. Neither is water. But both pool (CO2 is heavier than air). So just like you can drown in a bathtub in an inch of water (face down), you could "drown" in a bathtub filled with a few inches of CO2.

> On August 21, 1986, Lake Nyos suddenly emitted a large cloud of CO2, which suffocated 1,700 people.