Yeast is used in making bread because it produces____________?

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1. The alloy of aluminium used for making magnet is_________?

   A. Duralumin B. Y-Alloy C. Alnico D. Aluminium bronze Submitted by: ABDUL HAYEE...

2. The type of glass used in making lenses and prism is___________?

   A. Pyrex glass B. jena glass C. Flintglass D. Soft glass Submitted by: Asad Ullah Afridi...

3. What has no charge, and is one of the fundamental particles making up an atom’s nucleus?

   A. Electron B. Neutron C. Proton D. All of Above Submitted by: Ashfaque Ali Khoso...

4. What is used in making of alloys?

   A. Gypsum B. Granite C. Chromium D. Lime-stone Submitted by: Ashfaque Ali Khoso...

5. The process involved in making soap is called?

   A. saponification B. hydrolysis C. condensation D. polymerisation Submitted by: Malik Asghar Hussain...

6. Caustic Soda is extensively used for making __________?

   A. Surf B. Soap C. Plaster of Paris D. Gum Submitted by: Mansoor Ahmed Suhag...

7. The two elements that are frequently used for making transistors are :

   A. Boron and aluminium B. Silicon and Germanium C. Iridium and Tungston D. None of these Submitted by: Fahad Mehsud...

8. When water is filled in a bottle and is allowed to freeze, the bottle breaks because

   A. Water expands on freezing B. Bottle contracts at freezing point C. temperature outside the bottle is less than that inside the bottle. D. None of the above...

9. What is the breathing rate of human being body?

   A. 15-11 minutes B. 16-20 minutes C. 25-26 minutes D. 32-35 minutes Submitted by: ★ ɪʟʏᴀsɪʟᴜ ★...

10. Saccharine is made up of __________?

    A. Toluene B. Phenol C. Propane D. None of these Submitted by: H@yii...