Предмет: Химия, автор: natalyamartyno

три моля ионов образуется при полной диссоциации одного моля кислоты:
а) фосфорной
б) серной
в) азотной
г) хлороводородной

Ответы

Автор ответа: mnemozina

0

Серной H2SO4 <-> 2H(+) + SO4(2-)

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1. Choose the right day of the week:

Today is Thursday. Tomorrow is …

A. Monday

B. Saturday

C. Friday

D. Tuesday 2. Choose the right word: Vegetarians don't eat...

A. Meat

B. Vegetables

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A. Black

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C. I'm hungry.

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It' a place where you sleep.

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C. canteen

D. Gallery

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My father and my mother are …

A. My grandparents

B. My parents

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A. My cousin

B. My daughter

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8. Choose the opposite:

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С difficult

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9. Choose the opposite: expensive

A. cheap

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He ... a shower before breakfast.

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14. Choose the right number.

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A. a hundred a ninety nine

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15. Choose the right date.

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D. The twenty third of August 16 Choose the right time:

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С half past 7

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Today is Monday. Tomorrow is …

A. Saturday

B. Sunday

C. Friday

D. Tuesday

18 Choose the right day of the week:

Today is Tuesday. Tomorrow is …..

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B. Saturday

C. Sunday

D. Wednesday

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... breakfast

A. Have

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