Alkali

Alkali

3rd Grade

5 Qs

quiz-placeholder

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Alkali

Alkali

Assessment

Quiz

Chemistry

3rd Grade

Practice Problem

Medium

Created by

Linda Aprina

Used 11+ times

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Di antara basa alkali berikut yang paling kuat adalah….

RbOH

KOH

CsOH

LiOH

NaOH

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Jika senyawa KNO3 dibakar di atas api maka warna nyala dari Kalium adalah….

ungu

hijau

kuning

merah

biru

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Dalam unsur logam alkali yang merupakan reduktor terkuat adalah….

K

Na

Li

Cs

Rb

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Diantara sifat-sifat dibawah ini yang bukan sifat logam alkali adalah ….

Mudah bereaksi dengan air

Lunak, mudah diiris dengan pisau

Putih mengkilap seperti perak

Terdapat di alam dalam keadaan bebas

Membentuk oksida basa

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Natrium adalah logam yang sangat reaktif sehingga untuk mencegah terjadinya reaksi, logam tersebut disimpan dalam….

Di cat

Disimpan dalam medium air

Disimpan dalam suhu yang sesuai

Disimpan dalam medium minyak

Disimpan dalam larutan basa

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