Colors of emission spectra are due to loosely-bound valence electrons being excited in a flame and dropping back down while emitting light. Warning! Once the flame has started, DO NOT add more ...

Flame tests and chemical tests are used to detect ... Sample exam questions - Separate chemistry 2 - Edexcel Understanding how to approach exam questions helps to boost exam performance.

In this video, Fran Scott demonstrates how to test for various ions and interpret the results. Flame tests and chemical tests are used to detect and identify ions in samples. Instrumental methods ...

Can steam really start a fire? It sounds impossible, but science might surprise you! In this experiment, we explore the hidden power of heat and pressure to see if steam alone can ignite a flame.

We specialize in flame retardant and fire protection solutions that meet regulatory tests for all applications and materials in use today, including wildland fire and electric vehicle (lithium ion ...