Question

Water changes the colour of cobalt chloride paper to ________.​

Answer 1

Answer:

blue to pink

Explanation:

Hope it helps........

Answer 2

Answer:

Cobalt chloride paper is used to test for the presence of water leaking through tiny cracks in pipes or porcelain. When water is present, the test paper goes from blue to pink. ... As humidity increases, cobalt chloride changes color from sky blue to purple to pink.