Addition of gypsum to cement

Question 65 Addition of gypsum to cement

A) reduces setting time of cement
B) produces very light colour cement
C) increase setting time of cement
D) shining surface is formed

Answer:  increase setting time of cement

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The IST meridian 82 and 1/2 degree E (82.5 E) passes through a number of states in India. Which one of the following sets of States is correct in this respect?

Question 71 The IST meridian 82 and 1/2 degree E (82.5 E) passes through a number of states in India. Which one of the following sets of States is correct in this respect?

A) Uttarakhand, Uttar Pradesh, Chhatisgarh and Andhra Pradesh
B) Uttar Pradesh, Jharkhand, Chhatisgarh and Odisha
C) Uttarakhand, Uttar Pradesh, Madhya Pradesh and Chattisgarh
D) Uttar Pradesh, Odisha, Andhra Pradesh and Chhatisgarh

Answer: Uttar Pradesh, Odisha, Andhra Pradesh and Chhatisgarh

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For More Questions

• NDA NA Exam GK Questions in Hindi
• Which one of the following is not an example of eukaryotic organism?
• White phosphorus glows in the dark due to
• The main constituent of Vinegar is
• Which one among the following places is not an iron-ore mining area?
• Who among the following discovered the antibiotic producing fungus from Penicillium genus?
• Boric acid is an acid because its molecule
• Addition of gypsum to cement
• The Manas National Park is situated in the State of
• mixture of CO and H2 is
• Which one of the following is not a sea port?

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Boric acid is an acid because its molecule

Question 72 Boric acid is an acid because its molecule:

A) accepts OH negative ion from water releasing proton
B) Combines with proton from water
C) containes replaceable H positive ion
D) gives up a proton

Answer: accepts OH negative ion from water releasing proton

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Explanation by reaction :
B(OH)₃ + H₂O  B(OH)−
4 + H⁺

For More Questions

• NDA NA Exam GK Questions in Hindi
• Which one of the following is not an example of eukaryotic organism?
• White phosphorus glows in the dark due to
• The main constituent of Vinegar is
• Which one among the following places is not an iron-ore mining area?
• Who among the following discovered the antibiotic producing fungus from Penicillium genus?
• The IST meridian 82 and 1/2 degree E (82.5 E) passes through a number of states in India. Which one of the following sets of States is correct in this respect?
• Addition of gypsum to cement
• The Manas National Park is situated in the State of
• mixture of CO and H2 is
• Which one of the following is not a sea port?

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Who among the following discovered the antibiotic producing fungus from Penicillium genus?

Question 73 Who among the following discovered the antibiotic producing fungus from Penicillium genus?

A) Louis Pasteur
B) Sir Alexander Fleming
C) Stanley Prusiner
D) Robert Hooke

Answer: Sir Alexander Fleming

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For More Questions

• NDA NA Exam GK Questions in Hindi
• Which one of the following is not an example of eukaryotic organism?
• White phosphorus glows in the dark due to
• The main constituent of Vinegar is
• Which one among the following places is not an iron-ore mining area?
• Boric acid is an acid because its molecule
• The IST meridian 82 and 1/2 degree E (82.5 E) passes through a number of states in India. Which one of the following sets of States is correct in this respect?
• Addition of gypsum to cement
• The Manas National Park is situated in the State of
• mixture of CO and H2 is
• Which one of the following is not a sea port?

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Which one among the following places is not an iron-ore mining area?

Question 76 Which one among the following places is not an iron-ore mining area?

A) Badampahar
B) Zawar
C) Bailadila
D) Anantpur

Answer: Zawar

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For More Questions

• NDA NA Exam GK Questions in Hindi
• Which one of the following is not an example of eukaryotic organism?
• White phosphorus glows in the dark due to
• The main constituent of Vinegar is
• Who among the following discovered the antibiotic producing fungus from Penicillium genus?
• Boric acid is an acid because its molecule
• The IST meridian 82 and 1/2 degree E (82.5 E) passes through a number of states in India. Which one of the following sets of States is correct in this respect?
• Addition of gypsum to cement
• The Manas National Park is situated in the State of
• mixture of CO and H2 is
• Which one of the following is not a sea port?

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The main constituent of Vinegar is

Question 78 The main constituent of Vinegar is:

A) Acetic acid
B) Ascorbic acid
C) Citric acid
D) Tartaric acid

Answer: Acetic acid

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• NDA NA Exam GK Questions in Hindi
• Which one of the following is not an example of eukaryotic organism?
• White phosphorus glows in the dark due to
• Which one among the following places is not an iron-ore mining area?
• Who among the following discovered the antibiotic producing fungus from Penicillium genus?
• Boric acid is an acid because its molecule
• The IST meridian 82 and 1/2 degree E (82.5 E) passes through a number of states in India. Which one of the following sets of States is correct in this respect?
• Addition of gypsum to cement
• The Manas National Park is situated in the State of
• mixture of CO and H2 is
• Which one of the following is not a sea port?
• SSC EXAM Preparation Website

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White phosphorus glows in the dark due to

Question 79 White phosphorus glows in the dark due to:

A) amorphous character
B) slow oxidation
C) high ignition temperature
D) good conducting property of electricity

Answer: slow oxidation

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For More Questions

• NDA NA Exam GK Questions in Hindi
• Which one of the following is not an example of eukaryotic organism?
• The main constituent of Vinegar is
• Which one among the following places is not an iron-ore mining area?
• Who among the following discovered the antibiotic producing fungus from Penicillium genus?
• Boric acid is an acid because its molecule
• The IST meridian 82 and 1/2 degree E (82.5 E) passes through a number of states in India. Which one of the following sets of States is correct in this respect?
• Addition of gypsum to cement
• The Manas National Park is situated in the State of
• mixture of CO and H2 is
• Which one of the following is not a sea port?

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Which one of the following is not an example of eukaryotic organism?

Question 80 Which one of the following is not an example of eukaryotic organism?

A) Yeast

B) Bacteria

C) Plant

D) Human being

Answer: awaited

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For More Questions

• NDA NA Exam GK Questions in Hindi
• White phosphorus glows in the dark due to
• The main constituent of Vinegar is
• Which one among the following places is not an iron-ore mining area?
• Who among the following discovered the antibiotic producing fungus from Penicillium genus?
• Boric acid is an acid because its molecule
• The IST meridian 82 and 1/2 degree E (82.5 E) passes through a number of states in India. Which one of the following sets of States is correct in this respect?
• Addition of gypsum to cement
• The Manas National Park is situated in the State of
• mixture of CO and H2 is
• Which one of the following is not a sea port?

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