The Law of Definite Proportions.
fuel rich falme as opposed to oxygen rich flame
Yellow
Lustre is a qualitative property of substances, which refers to it's 'shinyness' and generally refers to solid metals. Oxygen, however, is almost always found in gaseous form, and if it were to be solid, it would not be lustrous.
Deppending on the quantity... one is about $50?? *_*
it doesn't important that lpg always burns in blue flame, it depends upon amount of oxygen contributing to burn , in insufficient supply of oxygen lpg will also burn giving yellow flame
sometimes...
it might be blue or yellow
A blue flame is louder than a yellow flame because there is more oxygen (air) flow present than with a yellow flame. The yellow flame indicates a lack of oxygen and incomplete combustion of the methane gas.
blue Actually its purple. If you look at the color wheel for primary colors it is always the color that is mixed by the other two primary colors. For example for red its green (blue and yellow) for blue its orange (red and yellow). So the complementary color for yellow is purple (red and blue).
kinds of yellow stars
Pure, elemental sulfur is always yellow, yes, as as to why, it is because elemental sulfur reflects yellow light. Period. It is as simple as that.
they can be, are not always