- Hydrogen
- Nitrous Oxide
- Methane
- Carbon Dioxide
- a
-
The chemical formula of Carbon Dioxide is CO2.
The chemical formula of Nitrous Oxide is N2O.
The chemical formula of Methane is CH4.
Everyday Science MCQs
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The spray bottles used as window or household cleaner or perfume spray works on:
- Capillary Action
- Bernoulli’s Principle
- Pascal’s Law
- Stoke’s Law
- b
-
Bernoulli’s Principal Formula
pv2+pgh=constant
Bernoulli’s Principal is a relation between Kinetic Energy and Gravitational Potential of fluids.
Which of the following is a tissue?
- Lungs
- Blood
- Kidney
- Pancreas
- b
-
Blood is a connective tissue.
What divides the Earth into the Northern and the Southern Hemisphere?
- Equator
- North Pole
- South Pole
- Axis of rotation
- a
-
Equator is a line that divides earth into south and north hemispheres.
Chili contains which vitamin?
- Vitamin A
- Vitamin B
- Vitamin C
- Vitamin D
- c
-
Vitamin C is also found in Oranges, Kiwi, Lemon, Strawberries, Tomatoes etc.
The chemical name of Chalk is:
- Calcium Carbonate
- Sodium Nitrate
- Zinc Sulfate
- Sulphuric Acid
- a
-
The chemical formula of Calium Carbonate is CaCO3.
Selenology is the study of:
- Star
- Galaxy
- Moon
- Planets
- c
-
Study of Galaxies, Stars and Planets is called Astronomy.
What is the pH of blood?
- 7.1
- 7.4
- 7.0
- 6.5
- b
-
The pH of blood is between 7.35 to 7.45.
وٹامن ڈی کی کمی کی وجہ سے کونسی بیماری لاحق ہوتی ہے؟
- دل کی بیماری
- دانتوں کی بیماری
- دماغی بیماری
- ان میں سے کوئی نہیں
- b
-
وٹامن ڈی کی کمی کی وجہ سے دانتوں کی بیماریاں لاحق ہو جاتی ہیں۔
وٹامن ڈی کی کمی کی وجہ سے ہڈیاں کمزور ہونا شروع ہو جاتی ہیں۔ہڈیاں اتنی نرم ہو جاتی ہیں کہ خود بخود ٹوٹنا شروع ہو جاتی ہیں۔
Sun Light is best source of which vitamin?
- Vitamin A
- Vitamin B
- Vitamin C
- Vitamin D
- d
-
Other best source of Vitamin D is Fish.