Tareeqae pighlao ki tashreeh karein? kia bulandi par nuqtae pighlao tabdeel hojata hai?
har dafa taaza perafeen mae(liquid) kyun lena chahiye?
perafeen mae ko musalsal kyun hilate rehna rehna chahiye?
practical no 2 viva question
answer in urdu..

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

Will mark brainliest 26. which of these statements are true? (3 points) a. gases are compressible b. gases fill their containers completely c. the pressure of a gas is independent of the temperature d. gases have mass e. gases exert pressure f. the pressure of a gas is dependent on the volume g. gas pressure results from the collisions between gas particles h. gases have a definite volume and shape

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.