- Indothermic Reaction
- Endothermic Reaction
- Exothermic Reaction
- Isothermal Reaction
- c
2023
All Solved Past Papers 2023 are included in this section. All Solved MCQs of 2023 of All Departments, All Posts and All Testing Services are also included in this section of ETEST Academy’s Website.
The study of heat changes in chemical reactions is called:
- Electro Chemistry
- Thermo Chemistry
- Organic Chemistry
- Bio Chemistry
- b
Which one among the following is an example of decomposition reaction?
- The formation of Hydrogen and Oxygen from water
- The formation of Ammonia from Nitrogen and Hydrogen
- The burning of Coal to give carbon dioxide.
- The reaction of Sodium and Chlorine to form Sodium Chloride.
- a
The Nobel Peace Prize winner 2022 is:
- Ales Bialiastski
- Maria Ressa
- Malal Yousafzai
- Vladimir Zilinsky
- a
Our Solar System is located in which Galaxy?
- Milky Way Galaxy
- Silky Way
- Magelianic Clouds
- Cygnus
- a
The average of the set of the numbers is 65,85,70,90 and 105 is _____
- 80
- 83
- 85
- 87
- b
-
Sum of Numbers=65+85+70+90+105=415
Total Numbers=5
Average=Sum of Numbers / Total Numbers
Average=415/5=83
In surprising defeat Argentina lost to which Arab Asian Country in FIFA World Cup Qatar 2022:
- Iraq
- Senegal
- Saudi Arabia
- Jordan
- c
-
Saudi Arabia defeated the Argentina in FIFA World Cup Qatar on 20 December 2022.
The Pakistan Monument is located in:
- Islamabad
- Karachi
- Rawalpindi
- Lahore
- a
-
The Pakistan Monument is a National Monument and heritage museum located in Shakarparian Hills in Pakistan.
This Monument was constructed in 2004 to symbolize the unity of the Pakistani People.
Currency of Oman is:
- Omani Rial
- Omani Dirham
- Omani Dollar
- Omani Dinar
- a
-
Oman is a country and located in Middle East.
The capital of Oman is Muscat.
The average age of 3 boys is 15 years and their ages are in proportions 3:5:7. The age in year of the younger boys is:
- 08
- 09
- 10
- 11
- a
-
Suppose,
Age of 3 Boys=3x+5x and 7z
According to Questions:
(3x+5x+7y)/3=15
15x/3=15
15x=15*3
15x=45
x=45/15
x=3
According to Question, the age of younger boys=3x
3x=3(3)=9