Sience fun

Sience fun

7th Grade

10 Qs

quiz-placeholder

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Sience fun

Sience fun

Assessment

Quiz

Science

7th Grade

Practice Problem

Hard

Created by

chandana das

Used 164+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Acid turns

red litmus blue

Blue litmus red

both the limus papers change colour

does not change

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Neutralization reaction is

reaction with acid and water

reaction with base and water

reaction with acid and base

reaction with base and salts

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The antacid normally prescribed by the doctor is

calcium hydroxide

aluminium hydroxide

iron chloride

magnesium hydroxide

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The chemical name for vinegar is

Acetic acid

oxalic acid

tartaric acid

lactic acid

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Milk contains

citric acid

lactic acid

Acetic acid

oxalic acid

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does the clothes turn red when the soap is applied on turmeric stain?

soap is an acid

soap is a base

soap is neutral

turmeric is acid

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mostly salts are

acidic

basic

neutral

none of these

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