Help
Contact
For teachers and institutes
Search courses, problems, tests…
A
A
>_
StemPy Lab
Courses ▾
Problems ▾
Practice ▾
Mock Tests
Classes
Groups
Community ▾
A
A
A chemist labels four jars. Which jar holds an element? | StemPy Lab
Quizzes
/
A chemist labels four jars. Which jar holds an element?
Chemistry
Easy
High School (9–10)
General
Mixtures and Solutions › Elements, Compounds and Changes
Created by
StemPy Lab
A chemist labels four jars. Which jar holds an element?
Brass
Water
Sugar
Mercury
Check Answer
Log in to save
Tag someone
⚑ Report
← All Quizzes
← Neha notices four changes in her kitchen. Which one makes a new substance?
A glass holds 72 g of water. How many grams of it are hydrogen? Hydrogen and oxygen make up water in the ratio 1 : 8 by mass. →
More on
Mixtures and Solutions › Elements, Compounds and Changes
Discussion (0)
Log in
to join the discussion.
Loading…
Problems on this topic
Three samples of a white solid are analysed.
Hard
Iron filings and sulphur powder are mixed in a dish.
Medium
Iron and sulphur join to make iron sulphide in the ratio 7 : 4 by mass.
Hard
In water, hydrogen and oxygen are in the ratio 1 : 8 by mass.
Medium
All problems on this topic →