1. Burning of paper 2. Vulcanizing of paper
the chemical change is cutting, ripping, folding.
Burning, nothing else than reaction with oxygen, is purely chemical.
Burning of paper,Burning of wood
no. that's a physical change
Burning
Adhesives are usually chemical compounds used to bind two materials together. Sealants are substances used to keep out other substances. Examples: Glue is an adhesive You put sealant on wood to keep it from absorbing water
cecilia
Sulfuric acid and sodium hydroixde are two chemicals widely used by chemical industry
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arial helvetica
1) a nail rusting 2) photosynthesis
1. solid fat melts to liquid and drips out 2. proteins break-down to cause tenderness
gets bigger and changes color
The two types are chemical and physical changes.
CHEMICAL CHANGE: Such change is a permanent change and substances go through such changes not only alter their outer shape but also change their composition. For example: conversion of milk into yoghurt is a chemical change PHYSICAL CHANGE: Such change is a temporary change and substances go through such changes alter their shape and volume only but composition remains same. For example: water changes into ice and ice melt to water is a physical change.
what are two example of chemical properties-^lyour dumb anyway two examples are oxidation and combustibility. and flammability and pH
Physical and Chemical
Physical and chemical changes are harmful to us.
Gypsum and Rock Salt are two examples of chemical rocks (sedimentary rocks).
sperm and egg
give me two examples of hardware
it is acid and neutrons