100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Plovdiv entrance test Questions and Answers 2024/2025 $12.49   Add to cart

Exam (elaborations)

Plovdiv entrance test Questions and Answers 2024/2025

 8 views  0 purchase
  • Course
  • Plovdiv entrance
  • Institution
  • Plovdiv Entrance

The mass number and atomic number of the lithium atom are shown by the symbol 3 7 Li. What is the correct symbol for the lithium-ion in lithium chloride? A) 2 6 LiB) 3 6 Li+ C) 3 7 Li+ D) 3 7 Li-  C) 3 7 Li+ All of the following can act as Brønsted-Lowry acid (proton donors) in aqueo...

[Show more]

Preview 3 out of 18  pages

  • October 11, 2024
  • 18
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Plovdiv entrance
  • Plovdiv entrance
avatar-seller
TestTrackers
2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!


Plovdiv entrance test Questions and
Answers 2024/2025
The mass number and atomic number of the lithium atom are shown by the symbol 3 7 Li.

What is the correct symbol for the lithium-ion in lithium chloride?

A) 2 6 Li-

B) 3 6 Li+

C) 3 7 Li+

D) 3 7 Li-

 C) 3 7 Li+


All of the following can act as Brønsted-Lowry acid (proton donors) in aqueous solution except:

A) HI

B) HCO3 -

C) H2S

D) NH3

 D) NH3


All of the following statements about carbon dioxide are true except:

A) it can be prepared by the action of acid on limestone

B) it is used to extinguish fires

C) it dissolves in water at room temperature

D) it sublimes rather than melts at 20°C and 1 atmosphere pressure


1|Page| GradeA+ | 2 0 0 2 5

,2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!

 D


Which of the options will form the major product ?

- primary carbocation

- secondary carbocation

- tertiary carbocation

 - TERTIARY CARBOCATION BECAUSE IT IS MORE STABLE


True or false , alcohols do not react with NaOH ?


 true , they do not react with NaOH and thus no salt is formed


Which of the reaction shown below involves the formation of an ionic precipitate from a

solution?

A) Ca2+ + CO3 CaCO3

B) HCO3 - + H+ H2CO3

C) Fe + Cu2+ Fe2+ + Cu

D) CaCO3 + H2CO3 Ca(HCO3)2

 A ; because a precipitate is formed when a cation and an anion react.


Given the following process that has reached equilibrium: NaCl (s)-><- NaCl (aq). For the

phase equilibrium to exist, the NaCl (aq) must be a solution that is:

A) concentrated

B) saturated



1|Page| GradeA+ | 2 0 0 2 5

, 2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!

C) supersaturated

D) unsaturated


 B ; Since only a saturated solution would mean that there is a balance in
concentrations in the system


Glucose and fructose are:

A) enantiomers

B) functional isomers

C) tautomers

D) chain isomer

 Functional Isomers


Which of the following is an observable property of many acids?

A) they become slippery when reacting with water

B) they react with metals to release hydrogen gas

C) they produce salts when mixed with other acids

D) they become more acidic when mixed with a base


 B



All of the native α-amino acids can react with the reagents below except:


A) NaOH

B) FeCl3

C) HCl

1|Page| GradeA+ | 2 0 0 2 5

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller TestTrackers. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $12.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

67096 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$12.49
  • (0)
  Add to cart