Which of the following is not a good safety practice in the kitchen? A
keep cleaning agents in a safe place away from food supplies

B
keep household cleaners and other hazardous chemicals in their original container

C
mix household cleaners to get a stronger cleaning product

D
keep the phone number for the poison control hotline next to the phone

C

Explanation:

LIFE LESSON: mixing cleaning products can create toxic chemicals and gas. please do NOT attempt doing anything like that kids.

when [oh-] is 10-5  m, and [h3o+] is 10-9  m, the poh is 5 and ph is 9. again in both cases the sum of ph and poh is 14. however, the hydrogen ion concentration is not always going to be equal to exactly 1 x 10 raised to a negative number. for example, we skipped over the value of 2.0 x 10-7.

1.solid

2.carbon dioxide

3.helium