Science Flashcards
Chemical reactions
What colour does a weak acid go.
light Green till light orange
what is the name of this salt.
sulfuric + Ammonia —->
Ammonia sulfate + water
Is Nitric a alkali or a acid
acid
is heat taken in or let out Exothermic
heat is given off making the surrounding hotter
Is heat taken in or let out Endothermic
Absorbs heat and makes surrounding cooler
What is a type of paper indicator
litmus
If litmus goes red is it acid or not
acid
If litmus goes blue it is
alkial
what does a catalyst do
It speeds up a chemical reaction
Can a catalyst be used up
no
What works with a catalyst
enzymes and catalysts work inside a cell of a living organism
What is the formular for water
Hydrogen + oxygen —-> water
calcium + oxygen →
calcium oxide
When a metal is mixed with _______ it is called ________.
When a metal is mixed with OXYGEN it is called OXIDES.