Answer: SiO2 + 4HF = SiF4 + 2H2O
Explanation:
pls mark brainliest if right if not im so sorry
Answer:
II. Rearrange the following jumbled words/phrases to make meaningful sentences: 5x1=5
a. certainly/the laughter/is/medicine/best
b. laughter/fact/is/in/a/panacea/for/diseases/all
c. lowers/pressure/by/circulation/it/blood/increasing/blood
d. a sense/and promotes/of/stress/well-being/laughter/decreases.
e. healthy food/ needed/is/better/also/lead/to/a/life
Answer:
C
Explanation:
If you walk near them, they will fly away
Answer:
numero de oxidacion: 3+2+2-3
Explanation:
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