1.

The ignition temperatures of four substances, P, Q, R, and S, are 175°C, 270°C, 310°C, and 155°C respectively. Which of the following pairs of substances catches fire at 250°C? *1 pointQ and RP and SR and SP and Q

Answer»

ANSWER:

Tu

Ty

Fj

Fh

Fuvb

Gjgvbh

Gjtfvn



Discussion

No Comment Found