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anastaswiip01dya
02.04.2021 18:35
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1. Complete and balance the reactions below: a) NaOH(aq) + HNO3(aq) —> b) Ca(OH)2(aq) + H2SO4(aq) —>
2. Write balanced equations for the following chemicalschemes: C → CO2 → H2CO3 → Na2CO3
3. Classify the following salts as either acidic, basic orneutral: NaCl, Na2SO3, BaOHCl, MgSO4, NH4Br, Na2CO3and LiHSO4.
4. For the solution of a strong acid I. It has a sour taste. II. It contains more OH- ions than H+ ions. III. When it reacts with Ca, H2 is produced.Which of the above is (are) always correct?
A. I only
B. II only
C. I and III
D. I and II
E. II and III

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Ответы на вопрос:

KatyaD2005
KatyaD2005
4,5(69 оценок)

Объяснение:

В атомі HO2 v буде рівний

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