please answer fast
class 10 science question
Answers
Answer:
(1) exothermic--- respiration
endothermic--- photosynthesis
(2) oxidation
(3) food will collect in duodenum and gradually the stomach will be filled and also bile juice will not reach intestine to digest the food which already which can adversely affect metabolic processes
(4) diffusion process
(5)2Mg + O2 -----2MgO
(6)a.. white and barrium sulphate(srry I don't know eq.)
(7) haemoglobin is used to transfer oxygen and we cannot survive without oxygen and villi is used for increasing surface area and it contains blood capillaries for transportation of nutrients
(8)u can search it from book or Google
(9)(A) as it contains the layer of magnesium oxide to remove it we have to do this otherwise it can lead to explosion
(B) because it absorbs heat
(10) i. carbon
ii.zinc oxide
iii. oxidation reaction
iv. oxidising agent-- zinc oxide
reducing agent-- carbon
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