Related Questions

Point A is 10 miles West of Point B. Point b is 30 miles North of pint C. Point C is 20 miles East of Point D. What is the distance (in miles) between Point A and Point D?
A 1010
B 1020
C 2010
D 3010
Point A is 10 km west of point B. Point B is 30 km north of point C. Point C is 20 km east of point D. What is the distance between point A and D?
A 1020Km
B 1010Km
C 2010Km
D 3010Km
Point A is south of point B and point B is west point C. To which direction is point A with respect to point C ?
A South
B South West
C North east
D North West
Point A is 10 miles west of Point B. Point B is 30 miles North of Point C. Point C is 20 miles East of Point D. what is the distance between points A and D?
A 1010
B 810
C 710
D 910
The presence of impurities in iron
A Increases its melting point
B Does not affect its melting point
C Decreases its melting point
D Makes it malleable
Which of the following gases is used to prevent food material from getting oxidised?
A Oxygen
B Chlorine
C Nitrogen
D Hydrogen
To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of
A Hydrochloric acid
B Sulphuric acid
C Nitric acid
D Citric acid
In sewage having fully oxidised organic matter, the nitrogen exists in the form of
A Nitrites
B Nitrates
C Free ammonia
D Aluminoid nitrogen
The pH value of oxidised sewage is about
A 1.8
B 6.2
C 7.3
D 13.4
Which one of the following could be the melting point of iron?
A 25°C
B 37°C
C 500°C
D 1500°C

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