plss answer me this is physics

Answers
Answer:7.
I) REACTANTS -
CaO : Calcium oxide
H2O : Water
CO2 : Carbon dioxide
AgNO3 : Silver Nitrate
NaCl : Sodium chloride
PRODUCTS-
C6H12O6 : Glucose
AgCl : Silver chloride
NaNO3 : Sodium Nitrate
O2 : Oxygen
Ca(OH)2 : Calcium hydroxide
ii) CaO + H2O = Ca(OH)2
AgNO3 + NaCl = AgCl + NaNO3
iii) C6H12O6 : 6×12+1×12+6×16 = 180u
iv) Ca(OH)2 is a precipitate in the reaction....
CaO + H2O = Ca(OH)2
Sorry friend but I don't know the answer of que. 8...
Please mark me as brainliest.....
BUT this is a question of "CHEMISTRY"....
7. a) Mix a colourless solution of silver nitrate with a colour less solution of sodium chloride. We will observe that colour less sodium nitrate with white precipitate silver chloride are formed.
AgNO3+NaCl➡NaNO3+AgCl (ppt.)
b) (i) calcium oxide,water, carbon dioxide,silver nitrate,sodium chloride.
(ii) AgNO3+NaCl➡NaNO3+AgCl (ppt.)
CaO+H2O➡Ca(OH)2
(iii) H2O
(iv) AgCl is a precipitate AgNO3+NaCl➡NaNO3+AgCl (ppt.)