1. What is added to the acidic soil to neutralize the acidity?
2. what is the only protozoan which includes chlorophyll within its cell?
3. what is known as foam plastics?
4. Coating with nickel is called?
5. What is used to make dyes?
6. Glycerine saves the material from?
7. The reduction of tail and gills and formation of lungs in tadpole is activated by?
Answers
Answer:
1 answer is(Carbonate from calcium carbonate and magnesium carbonate is the component in all of these sources that neutralises acid in soil) and 2 answer is(The Phytomastigophorea includes chlorophyll-containing protozoans that can produce their food photosynthetically, as do plants—e.g., Euglena and dinoflagellates. Distinctions between phytoflagellates and algae are obscure; some phytoflagellates are placed with algae in some botanical classifications.) 3 answer is (Foamed plastic, synthetic resin converted into a spongelike mass with a closed-cell or open-cell structure, either of which may be flexible or rigid, used for a variety of products including cushioning materials, air filters, furniture, toys, thermal insulation, sponges, plastic boats, panels for buildings, and even ) 4 answer is (Nickel electroplating is a technique of electroplating a thin layer of nickel onto a metal object. The nickel layer can be decorative, provide corrosion resistance, wear resistance, or used to build up worn or undersized parts for salvage purposes.)