Why is a lump of potassium stored in a bottle of kerosene? | StemPy Lab

Help Contact For teachers and institutes

Mock Tests Classes Groups

StemPy Lab

Learn. Solve. Code the solutions. Test yourself.

Live examsFree mock exams, timed and rankedEveryone starts together, and your score and rank come the moment it ends.See the exams →

Learn

Physics
Chemistry
Mathematics
Biology
Python Programming
Statistics & Data Science
Classes
Groups

Practice

Problems
Quizzes
Mock Tests
Question Sets
Exams
Certificates
Python Labs
AI Practice Generator
Student-Created Tests

Community

Discussions
Resources
Notes
Blog

Account

Dashboard
My Content
Profile
Log in

© 2026 senLearn. All rights reserved.Help About Contact Privacy Policy Terms of Use Refund Policy

Why is a lump of potassium stored in a bottle of kerosene? | StemPy Lab

Quizzes
Why is a lump of potassium stored in a bottle of kerosene?

ChemistryEasyHigh School (9–10)GeneralMetals and Non-metals › Reactions and the Reactivity Series

Created by StemPy Lab

Why is a lump of potassium stored in a bottle of kerosene?

← All Quizzes

← Strips of magnesium, zinc, iron and copper are dropped into four test tubes of the same dilute hydrochloric acid. Which picture shows the magnesium?Which of these metals does not react with water, even as steam? →

More onMetals and Non-metals › Reactions and the Reactivity Series

Discussion (0)

Log in to join the discussion.

Loading…

More questions on this topic

A student says: Copper reacts with dilute hydrochloric acid to give hydrogen, as zinc does. What…Medium
Aqua regia can dissolve gold. What is it?Medium
Most metals give no hydrogen with nitric acid. Why?Hard
Fe + CuSO₄ → FeSO₄ + Cu. What mass of copper is displaced by 4.2 g of iron? Use Fe = 56 and Cu =…Medium
2Al + 6HCl → 2AlCl₃ + 3H₂. What mass of hydrogen comes from 1.08 g of aluminium?Hard

All questions on this topic →

Problems on this topic

A metal such as zinc gives hydrogen with dilute hydrochloric acid, but a non-metal such as sulphur…Medium
24 g of sulphur is burnt in oxygen: S + O₂ → SO₂.Medium
Write the equation of (a) carbon dioxide and (b) sulphur dioxide with water.Easy
7 g of iron is put in copper sulphate solution, and all of it reacts: Fe + CuSO₄ → FeSO₄ + Cu.Medium

All problems on this topic →