Sais

Sais

10th Grade

6 Qs

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Assessment

Quiz

Chemistry

10th Grade

Practice Problem

Hard

Created by

Emanuela Silva

Used 9+ times

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Indique a fórmula química do sal formado entre o cátion alumínio (Al)3+ e o ânion sulfato (SO4)2-:

Al2(SO4)3

Al3(SO4)2

Al2(SO4)2

Al3(SO4)3

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Quais os coeficientes que podem ser usados para ajustar a equação de neutralização: HNO3 + Ca(OH)2 → Ca(NO3)2 + H2O ?

2 ; 1 ; 2 ; 2

2 ; 1 ; 1 ; 2

1 ; 2 ; 1 ; 2

2 ; 2 ; 1 ; 2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Indique a fórmula do sal (X) produzido na reação: H2SO3 + 2 NaOH → X +2 H2O

NaSO4

NaSO3

Na2SO4

Na2SO3

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Qual é a nomenclatura do sal que possui a fórmula CaBr2?

bromato de cálcio

bromito de cálcio

brometo de cálcio

perbromato de cálcio

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Qual a nomenclatura para o sal com fórmula: NaClO?

hipoclorito de sódio

perclorato de sódio

clorato de sódio

clorito de sódio

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual a fórmula química do nitrato de cálcio?

Ca(OH)2

Ca(NO2)2

Ca(NO3)2

CaO

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