Chemistry

Download Q&A
Q. Which of the following ions is commonly used in a salt bridge? (2020)
  • A. Na+
  • B. Cl-
  • C. K+
  • D. Ca2+
Q. Which of the following ions is responsible for the color of the solution in transition metal complexes? (2022)
  • A. Anions
  • B. Cations
  • C. Neutral molecules
  • D. All of the above
Q. Which of the following is a characteristic of a reversible cell? (2019)
  • A. It can be recharged
  • B. It cannot be recharged
  • C. It has a fixed voltage
  • D. It operates at constant temperature
Q. Which of the following is a characteristic of addition polymers? (2019)
  • A. Formed by condensation
  • B. Involves the elimination of small molecules
  • C. Monomers have double bonds
  • D. Decomposes easily
Q. Which of the following is a characteristic of aromatic hydrocarbons? (2023)
  • A. They are saturated
  • B. They have a pleasant smell
  • C. They are highly reactive
  • D. They contain double bonds only
Q. Which of the following is a characteristic of cross-linked polymers? (2023)
  • A. Flexible
  • B. Linear structure
  • C. High melting point
  • D. Low tensile strength
Q. Which of the following is a characteristic of essential amino acids? (2019)
  • A. Can be synthesized by the body
  • B. Must be obtained from diet
  • C. Are not required for protein synthesis
  • D. Are only found in animal products
Q. Which of the following is a characteristic of essential oils? (2019)
  • A. Water-soluble
  • B. Volatile
  • C. Non-toxic
  • D. All of the above
Q. Which of the following is a characteristic of ethers? (2019)
  • A. Higher boiling point than alcohols
  • B. Lower boiling point than alcohols
  • C. Soluble in water
  • D. Flammable
Q. Which of the following is a characteristic of ionic solids? (2020)
  • A. High electrical conductivity in solid state
  • B. High melting point
  • C. Low density
  • D. Malleable
Q. Which of the following is a characteristic of isomers? (2022)
  • A. Same molecular formula
  • B. Different molecular formula
  • C. Same physical properties
  • D. Same structural formula
Q. Which of the following is a characteristic of multilayer adsorption? (2019)
  • A. Occurs at low pressures only
  • B. Described by the Langmuir isotherm
  • C. Described by the BET theory
  • D. Involves only physical adsorption
Q. Which of the following is a characteristic of organic compounds? (2021)
  • A. They contain carbon
  • B. They are always solid
  • C. They are ionic
  • D. They do not burn
Q. Which of the following is a characteristic property of ethers? (2019)
  • A. High boiling point
  • B. Solubility in water
  • C. Low reactivity
  • D. Acidic nature
Q. Which of the following is a characteristic property of group 13 elements? (2019)
  • A. Forming covalent compounds
  • B. High melting points
  • C. Good conductors of electricity
  • D. Forming ionic compounds
Q. Which of the following is a characteristic property of halogens? (2020)
  • A. Good conductors of electricity
  • B. High melting points
  • C. Diatomic molecules
  • D. Metallic luster
Q. Which of the following is a characteristic property of noble gases? (2019)
  • A. High reactivity
  • B. Colorless and odorless
  • C. Forming ionic bonds
  • D. High boiling points
Q. Which of the following is a common allotrope of phosphorus? (2022)
  • A. Red phosphorus
  • B. Black phosphorus
  • C. White phosphorus
  • D. All of the above
Q. Which of the following is a common analgesic? (2021)
  • A. Ibuprofen
  • B. Aspirin
  • C. Paracetamol
  • D. All of the above
Q. Which of the following is a common artificial flavoring agent? (2023)
  • A. Vanillin
  • B. Caffeine
  • C. Citric acid
  • D. Tartaric acid
Q. Which of the following is a common emulsifier used in food products? (2022)
  • A. Lecithin
  • B. Sorbitol
  • C. Glycerol
  • D. Glucose
Q. Which of the following is a common ingredient in anti-aging creams? (2021)
  • A. Retinol
  • B. Glycolic acid
  • C. Salicylic acid
  • D. Both Retinol and Glycolic acid
Q. Which of the following is a common ingredient in anti-inflammatory drugs? (2022)
  • A. Ibuprofen
  • B. Acetaminophen
  • C. Aspirin
  • D. All of the above
Q. Which of the following is a common method to measure surface area of adsorbents? (2019)
  • A. TGA
  • B. BET method
  • C. DSC
  • D. XRD
Q. Which of the following is a common oxidation state of gold? (2023)
  • A. +1
  • B. +2
  • C. +3
  • D. +4
Q. Which of the following is a common oxidation state of iron? (2023)
  • A. +1
  • B. +2
  • C. +3
  • D. +4
Q. Which of the following is a common oxidation state of manganese? (2022)
  • A. +1
  • B. +2
  • C. +3
  • D. +4
Q. Which of the following is a common preservative in food? (2019)
  • A. Sodium benzoate
  • B. Ethanol
  • C. Acetic acid
  • D. Benzene
Q. Which of the following is a common property of halogens? (2023)
  • A. They are all gases at room temperature
  • B. They have low electronegativity
  • C. They form diatomic molecules
  • D. They are metals
Q. Which of the following is a common side effect of antibiotics? (2019)
  • A. Nausea
  • B. Headache
  • C. Diarrhea
  • D. All of the above
Showing 421 to 450 of 582 (20 Pages)
Soulshift Feedback ×

On a scale of 0–10, how likely are you to recommend The Soulshift Academy?

Not likely Very likely