Sewing needle.
All of them (though oils have less).
The dust that collects on one bookshelf overnight.
Most standard textbooks for school weigh about 1 kg (or about 2.2 pounds).
barbells
I can think of no household item that is 1mm long. It would be very difficult to pick up and manipulate.
5 pounds
what household item is the shaped like a pyramid
Yes Plus Fabric Softener is a household item. Yodora Deodorant is a household item. Yellow peppers are a household item.
a toaster is a common household item that has the chemical NaCI
Many household cleaners contain ammonia.
Yes
...appliance?
now
A candle
A toy xylophone is a household item.
Queen bed is a household item.