Why is graphite used in electrolytic cells?

NDA NA Exam I 2015 Questions

Question 83 Why is graphite used in electrolytic cells?

A) Graphite is soft and can be easily moulded into electrodes
B) Graphite is made of layers of carbon atoms which can slide
C) Graphite is inert to most of the chemicals and remains intact in electrolytic cells
D) Graphite is a good conductor of electricity

Answer: Graphite is inert to most of the chemicals and remains intact in electrolytic cells

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Washing Soda is the common name for

NDA NA Exam I 2015 Questions

Question 84 Washing Soda is the common name for

A) Calcium Carbonate
B) Magnesium Carbonate
C) Sodium Carbonate
D) Potassium Carbonate

Answer: Sodium Carbonate

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• Why is graphite used in electrolytic cells?
• In plants, which one of the following gases is released during Photosynthesis?
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Which one of the following Indian states has the highest proportion of area under forest cover?

NDA NA Exam I 2015 Questions

Question 85 Which one of the following Indian states has the highest proportion of area under forest cover?

A) Madhya Pradesh

B) Sikkim

C) Mughalaya

D) Mizoram

Answer: Madhya Pradesh

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Gametophytes of sexually reproducing flowering plants are

NDA NA Exam I 2015 Questions

Question 88 Gametophytes of sexually reproducing flowering plants are

A) Haploid
B) Diploid
C) Tetraploid
D) Polyploid

Answer: Haploid

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• Which of the following country/countries successfully inserted a spacecraft into Mars' orbit by maiden attempt
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• Precursor of which one of the following vitamins comes from Beta- Carotene?
• Which one of the following weather conditions indicates a sudden fall in barometer reading?
• Green-house gas
• The full form of CFL is
• 'Yakuts' are the nomadic herders of
• Permanent hardness of water is due to presence of
• Which one among the following does not wet the walls of the glass vessel in which it is kept?
• Which one of the following Indian states has the highest proportion of area under forest cover?
• Washing Soda is the common name for
• Why is graphite used in electrolytic cells?
• In plants, which one of the following gases is released during Photosynthesis?
• Which one of the following irrigation canals is the most important in terms of area coverage in Haryana?
• Rain shadow effect is associated with
• The chemical used as a fixer / developer in photography is
• The cleansing action of soap and detergent is due to the formation of
• Which one among the following is used in making gun powder?
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• The newly formed state of Telengana is surrounded by

Which one among the following does not wet the walls of the glass vessel in which it is kept?

NDA NA Exam I 2015 Questions

Question 94 Which one among the following does not wet the walls of the glass vessel in which it is kept?

A) Water
B) Alcohol
C) Mercury
D) Phenol

Answer: Mercury

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• The annual “Royal Kathima Ceremony” is associated with which of the following religions?
• The poorest country in Europe in terms of GDP per capita is ___?
• Which of the following statement(s) is/are true for Olympe de Gouges?
• Which one among the following sects was associated with Gosala Maskariputra?
• Harappan crafts display an amazing degree of standardization. According to Kenoyer, what was the possible reason for such an achievement?
• The Second Five Year Plan that called for the establishment of Socialist pattern of society was commonly referred to as the
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• Which one among the following films was awarded the best motion picture(Drama) in the 72nd Golden Globe Awards?

Permanent hardness of water is due to presence of

NDA NA Exam I 2015 Questions

Question 95 Permanent hardness of water is due to presence of

A) sulphates of sodium and potassium
B) sulphates of magnesium and calcium
C) carbonates of sodium and magnesium
D) bicarbonates of magnesium and calcium

Answer: sulphates of magnesium and calcium

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• The European Space Agency (ESA) successfully landed a spacecraft on a speeding comet
• Which of the following country/countries successfully inserted a spacecraft into Mars' orbit by maiden attempt
• ratio of the mass of Earth to the mass of the Moon
• Perspiration cools the body because
• Thermal conductivity of aluminium, copper and stainless steel increases in the order
• 'Lub-dup' sound is produced due to action of
• Precursor of which one of the following vitamins comes from Beta- Carotene?
• Which one of the following weather conditions indicates a sudden fall in barometer reading?
• Green-house gas
• The full form of CFL is
• 'Yakuts' are the nomadic herders of
• Which one among the following does not wet the walls of the glass vessel in which it is kept?
• Gametophytes of sexually reproducing flowering plants are
• Which one of the following Indian states has the highest proportion of area under forest cover?
• Washing Soda is the common name for
• Why is graphite used in electrolytic cells?
• In plants, which one of the following gases is released during Photosynthesis?
• Which one of the following irrigation canals is the most important in terms of area coverage in Haryana?
• Rain shadow effect is associated with
• The chemical used as a fixer / developer in photography is
• The cleansing action of soap and detergent is due to the formation of
• Which one among the following is used in making gun powder?
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• The newly formed state of Telengana is surrounded by

'Yakuts' are the nomadic herders of

NDA NA Exam I 2015 Questions

Question 98 'Yakuts' are the nomadic herders of

A) Gobi
B) Sahara
C) Tundra
D) Kalahari

Answer: Tundra

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• The International Designator, also known as COSPAR designation, is an international naming convention for
• The annual “Royal Kathima Ceremony” is associated with which of the following religions?
• The poorest country in Europe in terms of GDP per capita is ___?
• Which of the following statement(s) is/are true for Olympe de Gouges?
• Which one among the following sects was associated with Gosala Maskariputra?
• Harappan crafts display an amazing degree of standardization. According to Kenoyer, what was the possible reason for such an achievement?
• The Second Five Year Plan that called for the establishment of Socialist pattern of society was commonly referred to as the
• Which one of the following books won the Man Booker Prize 2014?
• East Zone won the prestigious Deodhar Trophy cricket tournament 2014 - 15 by defeating
• Which one among the following films was awarded the best motion picture(Drama) in the 72nd Golden Globe Awards?

The full form of CFL is

NDA NA Exam I 2015 Questions

Question 104 We use CFL to save electrical energy and to provide sufficient light. The full form of CFL is

A) Condensed filament light
B) Compact filament lamp
C) Condensed fluorescent lamp
D) Compact fluorescent lamp

Answer: Compact fluorescent lamp

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• Which one among the following books is centered around 'environment'?
• climate deal adopted between USA and China in November 2014
• Who among the following Nobel laureates has recently announced to put his Nobel Medal under auction?
• The European Space Agency (ESA) successfully landed a spacecraft on a speeding comet
• Which of the following country/countries successfully inserted a spacecraft into Mars' orbit by maiden attempt
• ratio of the mass of Earth to the mass of the Moon
• Perspiration cools the body because
• Thermal conductivity of aluminium, copper and stainless steel increases in the order
• 'Lub-dup' sound is produced due to action of
• Precursor of which one of the following vitamins comes from Beta- Carotene?
• Which one of the following weather conditions indicates a sudden fall in barometer reading?
• Green-house gas
• 'Yakuts' are the nomadic herders of
• Permanent hardness of water is due to presence of
• Which one among the following does not wet the walls of the glass vessel in which it is kept?
• Gametophytes of sexually reproducing flowering plants are
• Which one of the following Indian states has the highest proportion of area under forest cover?
• Washing Soda is the common name for
• Why is graphite used in electrolytic cells?
• In plants, which one of the following gases is released during Photosynthesis?
• Which one of the following irrigation canals is the most important in terms of area coverage in Haryana?
• Rain shadow effect is associated with
• The chemical used as a fixer / developer in photography is
• The cleansing action of soap and detergent is due to the formation of
• Which one among the following is used in making gun powder?
• Optical fibres, though bent in any manner allows light to pass through. What is the inference that one can draw from it?
• The newly formed state of Telengana is surrounded by