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Question: The nucleus of an atom consists ofby: luckykushwaha5 (Profile)
A:	electrons and neutrons	Not Answered
B:	electrons and protons
C:	protons and neutrons
D:	All of the above

Question: Who won the Nobel prize for his work on photosynthesis ?by: Vikalp (Profile)
A:	D.I.Arnon	Not Answered
B:	F. Burnell
C:	M.D. Hatch
D:	Melvin Calvin

Question: Which of the following is strong acid ? by: Arun91 (Profile)
A:	Citric acid	Not Answered
B:	Oxalic acid
C:	Nitric acid
D:	Acetic acid

Question: The most abundant element in the universe is __________ ?by: Rohit65 (Profile)
A:	Silicon	Not Answered
B:	Carbon Dioxide
C:	Hydrogen
D:	Oxygen

Question: Common name of ascorbic acid is ?by: alok5161 (Profile)
A:	Vitamin C	Not Answered
B:	Vitamin D
C:	Vitamin E
D:	None of these.

Question: Chemistry Questions ...by: Abhijeet (Profile)
Ans:	प्रोडूसर गैस किसे कहते है - CO+N2 को LPG गैस में कौन सी गैस शामिल होती है - व्यूटेन और प्रोपेन LPG गैस में गंध के लिए क्या मिलाते हैं - मिथाइल मर्केप्टेन DDT की खोज किसने की - पॉल मूलर कुनैन किस पौधे की छाल से प्राप्त होता है - सिनकोना तम्बाकू में पाया जाता है - निकोटीन सबसे लम्बी कोशिका - तंत्रिका कोशिका प्रोटीन का संश्लेषण होता है - राइबोसोम में - कोशिका की आत्महत्या की थैली किसे कहते हैं - लाइसोसोम को प्लास्टर ऑफ़ पेरिस का सूत्र क्या है - 2CaSo4.2H .....Read more...

Question: किसी भी वस्तु को जलाने के लिए इनमें से क्या जरूरी है ? A. ऑक्सीजन B. कार्बन C. अल्युमीनियम D. नाइट्रोजनby: Vishal (Profile)
Answer not given by asker, you can submit your answer here. Click the question

Question: Kis Padarth me Aksijan nahi h ?by: vedukhare (Profile)
Answer not given by asker, you can submit your answer here. Click the question

Question: Which of the gas is not known as green house gas?by: mackharsh (Profile)
A:	Methane	Not Answered
B:	Nitrous oxide
C:	Carbon dioxide
D:	Hydrogen

Question: The gas usually filled in the electric bulb isby: mackharsh (Profile)
A:	nitrogen	Not Answered
B:	hydrogen
C:	carbon dioxide
D:	oxygen

Question: Chemical formula for water isby: mackharsh (Profile)
A:	NaA1O2	Not Answered
B:	H2O
C:	Al2O3
D:	CaSiO3

--> How is visibility measured?
Not Replied
A:	Visibility meter or visibility sensor
B:	Barometer
C:	Hygrometer

--> Which type of UV radiation has the shortest wavelength?
Not Replied
A:	UVC
B:	UVB
C:	UVA

--> What is the most common cause of wind?
Not Replied
A:	Differences in air pressure
B:	Differences in water pressure
C:	Differences in humidity

--> When is the Earth closest to the Sun in its orbit?
Not Replied
A:	Early July
B:	Early January
C:	Early September

--> What is the most common cause of heat waves?
--> In which city would water boil most quickly?
--> Which layer of the Earth's atmosphere contains the ozone layer?
--> Which weather phenomena is a consequence of air pollution?
--> What is the same temperature in Celsius and Fahrenheit?
--> Why are there different types of clouds at different altitudes?
--> What is the air temperature around lightning?
--> What is the longest duration that a hurricane has lasted?
--> What winds are classified as Light air as per the Beaufort scale?
--> What causes the occurrence of fog and its impact on visibility?
--> What causes the phenomenon of heat lightning in the sky?

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