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- Article no:P7152100Test confirming the migration of ions by means of indicatorpaper
- Article no:P7152200Periodic system properties of a group of elements - Group 2
- Article no:P7152300Dipole properties
- Article no:P7152500Behaviour of salts with regard to solvents of differentpolarities
- Article no:P7153300The importance of air for combustion processes
- Article no:P7153400Air, a mixture of substances
- Article no:P7154100Structure and mode of operation of a Bunsen burner
- Article no:P7153600Reactions in pure oxygen
- Article no:P7153800Nitrogen, preparation and properties
- Article no:P7153900Carbon dioxide, preparation and properties
- Article no:P7154500Water content of natural substances
- Article no:P7154600Dissolved components in different waters
- Article no:P7154700Solubility of gases in water
- Article no:P7154800Solutions, colloids, suspensions
- Article no:P7154900Solubility of salts in water - comparison with the solubili-ty of gases in water
- Article no:P7155200Hardness of water
- Article no:P7155300Test for water
- Article no:P7155400Water, an oxide
- Article no:P7155500Degradation of water by reducing agents
- Article no:P7155600Synthesis of water
- Article no:P7512569pH-value of everyday substances (cleaning agents, food) with Cobra SMARTsense
- Article no:P7157000General safety precautions to be taken when handling acids
- Article no:P7157100Hazardousness of concentrated sulphuric acid
- Article no:P7157200Plant pigments as indicators
- Article no:P7157400The effects of acids and lyes on natural and commercialindicators
- Article no:P7157500The effects of acids on metals
- Article no:P7157600Acid strength
- Article no:P7157700Preparation and properties of hydrochloric acid
- Article no:P7157800Preparation and properties of sulphurous acid
- Article no:P7157900PVC- a potential hydrochloric acid former
- Article no:P7158100Oxidation of sulphurous acid
- Article no:P7158200Preparation and properties of sulphuric acid
- Article no:P7158300Preparation and properties of carbonic acid
- Article no:P7158400Brönsted acids: conductivity comparison of molten and dis-solved oxalic acid
- Article no:P7158600Safety precautions to be taken when handling lyes
- Article no:P7158700Alkalis - constituents of hous ehold detergents
- Article no:P7158750Ammonia- comparison of gas and aqueous solutions
- Article no:P7158800Aqueous solubility of ammonia
- Article no:P7159000Preparation and properties of sodium hydroxide solution