Science

Name	Chemical	Image	Solid/Liquid/Gas
Lemon Juice	Citric Acid		Liquid
Salt	Sodium Chloride		Solid
Sugar	Sucrose		Solid
Vinegar	Acetic Acid		Liquid
Lemonde Bubbles	Carbon Dioxide		Gas
Onion gas	Sulfenic Acid		Gas
Baking Soda	Sodium Hydrogen Carbonate		Solid
Milk	Hydrated Sodium Ammonium Hydrogen Phosphate		Liquid
Cornflour	Starch		Solid
Banana	Isoamyl Acetate		Solid

Conclusion

Common Name: Lemon Juice ~ Chemical Name: Citric Acid ~ Liquid/Solid/Gas? = Liquid

Common Name: Salt ~ Chemical Name: Sodium Chloride ~ Liquid/Solid/Gas? = Solid

Common Name: Sugar ~ Chemical Name: Sucrose ~ Liquid/Solid/Gas? = Solid

Common Name: Acetic Acid ~ Chemical Name: Liquid ~ Liquid/Solid/Gas? = Liquid

Common Name: Lemonade Bubbles ~ Chemical Name: Carbon Dioxide  ~ Liquid/Solid/Gas? = Gas

Common Name: Onion Gas ~ Chemical Name: Sulfenic Acid   ~ Liquid/Solid/Gas? = Gas

Common Name: Baking Soda ~ Chemical Name: Sodium Hydrogen Carbonate ~ Liquid/Solid/Gas? = Solid

Common Name: Milk ~ Chemical Name: Lactose   ~ Liquid/Solid/Gas? = Liquid

Common Name: Cornflour ~ Chemical Name: Starch   ~ Liquid/Solid/Gas? = Solid

Common Name: Banana ~ Chemical Name: Isoamyl Acetate   ~ Liquid/Solid/Gas? = Solid