Chemistry One-Liners for various competitive examinations- January 27th
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Here are some important Chemistry one-liners for students competing for various exams
Watch some of the important Chemistry Bits below.
1- The mass number of a nucleus is-
1- Always more than the atomic weight.
2- Always less than its atomic number.
3- The sum of the number of neutrons and protons.
4- None of these.
2- From which among the following, Phosphorus is mainly extracted?
2- Bone Ash.
3- The main ingredient of cement among the following is?
3- Silica Clay
4- This material among the following can be deformed permanently by heat and pressure-
3- Chemical Compound.
5-Nylon is prepared from which among the following?
1- Ethylene glycol and adipic acid phthalic acid.
2-Ethylene glycol and nitric acid diamine.
3- Hexamethylene diamine and phthalic acid.
4-Adipic acid and hexamethylene diamine.
6-Ascorbic acid is another name for this vitamin.
7- Ordinary Microscope can measure up to which among the following?
8- This is another name for electron pool theory-
1- Liquid theory.
2- Electron gas theory.
3- Pool theory
4- Solid theory.
9- In which Metallic theory was proposed?
10- In 1748, the first-time word used in connection with electricity was-
4- All of them.
11- What happens when TEL (Tera Ethyl Lead) is added to petrol?
1- Decrease the anti-knocking rating.
2- Increase the anti-knocking rating.
3- Decrease the B.P of petrol.
4- It will increase the B.P of petrol.
12- Chlorine’s (Cl) relative atomic mass is 35.5. This half number is due to-
1- Half proton.
3- Half Electron.
4- Half Neutron.
13- For deep sea diving oxygen is usually mixed with which among the following?
1- Nitrogen Gas.
4- Argon Gas.
14- Dalton’s law of partial pressure has applications in-
15- The hypothesis that equal volume of all gases possess the same number of molecules is called as-
1- Avogadro hypothesis.
3- Alvarado’s theory
4- Avagadro’s equilibria.
1- The sum of the number of neutrons and protons.
5-Adipic acid and hexamethylene diamine.
8-Electron gas theory.
11-Increase the anti-knocking rating.
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