Question

why nitric acid is not seems to produce hydrogen gas when it react with zn write the formula of POP and its preparation with balance reaction answer for class 10​

Answer 1

Answer:

because nitric acid act as an oxidising agent so it oxidise hydrogen and make it water

Answer 2

Answer:

common name - plaster of paris (pop)

chemical name - calcium sulphate hemihydrate

chemical formula - CaSO4 1/2h2o

colour - white

preparetion - gypsum is heated in a controled temperature

CaSO4 2H2O 373K(HEAT)-->CaSO4 1/2H2O  +3/2H2O

PREPARETION - plastering factured bones , making toys , decorative materials , statues models , etc .