- States of matter does not change during chemical reaction
- Chemical reaction produce new substance
- Chemical reaction occur with the absorption or emission of energy
- Chemical reaction may be fast, moderate or slow
- a
- Infrared Rays
- Gama Rays
- Ultraviolet Rays
- X-Rays
- c
-
Ozone formula O3.
- Melting of Ice
- Photosynthesis
- Burning of Coal
- Rusting of Iron
- a
-
Melting of Ice is a physical changing process.
- New York
- Beijing
- Berlin
- Paris
- d
-
Olympic 2024 will be start on 24 July 2024 and ends on 11 August 2024 in Paris, France.
- 100
- 120
- 140
- 160
- b
-
Cost of Radio=80
20% of 80=20/100*80=16
Required Sale Price=80+16=96
20% of 120=20/100*120=24
120-24=96
If Display Amount is 20 then Amount with discount will be=120-24=96
- 2016
- 2018
- 2020
- 2022
- c
-
It is called Brexit.
UK left EU on 1 February 2020.
There are 27 member countries in EU.
- 2016
- 2017
- 2018
- 2019
- b
-
Pakistan and India joined SCO on 9 June 2017.
SCO was founded on 15 June 2001.
SCO consist of eight member countries.
SCO headquarter is located in Beijing, China.
- Libya
- Bahrain
- Jordan
- Lebanon
- d
-
Currency of Libya is Dinar.
Currency of Bahrain is Dinar.
Currency of Jordan is Dinar.
Currency of Lebanon is Pound.
- 2/30
- 1/20
- 3/20
- 3/30
- b
-
Red=1/2
White=1/4
Blue=1/5
Total=1/2+1/4+1/5=(10+5+4)/20=19/20
Neither Red, Blue Nor White=1-19/20=(20-19)/20=1/20
- Nile
- Yangtze River
- Amazon
- Congo River
- a
-
The length of River Nile is 6650 Km.
The length of River Yangtze is 6300 Km.
The length of River Amazon is 6400 Km.
The length of River Congo is 4700 Km.