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Hinckley
Questions and answers by
Hinckley
Questions (71)
Balanced chemical equation for aqueous lead (ii) trioxonitrate (v) with hydrogen chloride gas
1 answer
14 views
Given that 9x²-64y²=185 and 3x-8y=5, find the product of x and y
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Balanced chemical equation for ammonia gas with oxygen
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Balanced chemical equation for aqueous potassium iodide with chlorine gas
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Balanced chemical equation for iron with dilute tetraoxosulphate vi acid
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Components of brass
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Components of bronze
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Components of steel
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The class of oxide which Na2O belongs
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Class of oxide which ZnO belongs
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Class of oxide which SO2 belongs
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Class of oxide which CO2 belongs
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Gases which can be used to
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Gases which can be used to demonstrate fountain experiment
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Four excretory products of plants that is useful to humans
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Four parts of the nephron of a kidney
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Organism that excretes oxygen as waste product
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Structure of excretion of blue green algae
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One of the group of four offsprings belongs to blood group O. If the blood group of the offspring are different from those of
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One of the group of four offsprings belongs to blood group O. If the blood group of the offspring are different from those of
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11 views
Explain briefly how genes are involved in the process of evolution
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What is meiosis
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End products of the meal after digestion
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What is competition in biology
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Two types of competition in biology
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Four factors that organisms compete for in a habitat
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Explain briefly the relationship between competition and succession in biology
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What is structural adaptation
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Four types of structural adaptations in animals
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Four features of variation in humans that are used in crime detection
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The type of metamorphosis in the life cycle of a house fly
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The phylum of housefly
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Class of housefly
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Three reasons why Insecta is the class of housefly
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Three examples of plants found in a tropical rainforest
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Three types of adaptive colouration in animals
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The fourth term of an arithmetic sequence is 5 and the eighth term is 21, find the first term
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From the foot of a tower, 30m high, a woman observes the top of a pole at an angle of elevation of 30 degrees, from the top of
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From the foot of a tower, 30m high, a woman observes the top of a pole at an angle of elevation of 30 degrees, from the top of
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9 views
From the foot of a tower, 30m high, a woman observes the top of a pole at an angle of elevation of 30 degrees, from the top of
1 answer
10 views
There are 18 marbles in a bag, all of the same size. The marble; red, green and blue are in the ratio 2:3:4 respectively: find
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There are 18 marbles in a bag, all of the same size. The marble; red, green and blue are in the ratio 2:3:4 respectively: if two
1 answer
11 views
There are 18 marbles in a bag, all of the same size. The marble; red, green and blue are in the ratio 2:3:4 respectively: if two
1 answer
10 views
In a community with a population of 45,000, it is estimated that each person needs 12 litres of water each day. The community
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8 views
Amaka owns two houses in the same community. The ratio of the values of the first house to the second house is 10:15
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9 views
A car travelled a distance of (2x+13)km/h and (5x-20)km at 72 km/h, if the total time for the entire journey was 90 minutes,
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10 views
A circular floor of a building Is to be tiled with ceramic tiles each of side 40cm × 40cm, If the perimeter of the floor is
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11 views
Solve for the variable 6H=-48
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Solve for the variable -5E+21=-4
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A bicyclist travelled for T=2 hours at a constant speed of R=22 kilometers (km) per hour. Use the formula D=R-T to find the
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A car traveled a distance of D=302 km for T=4.4 hours at a constant rate. Use the formula D=R-T to find the speed (R) of the car
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A car traveled a distance of D=111 miles at a constant rate of speed of R=46 miles per hour. Use the formula D=R-T to find the
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Solve the variable -7/9=D+1
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Solve the variable -3/5B=8/3
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Solve the variable -9.8f-6.3=52.5
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Solve the variable 1/2Z+-1=1/2
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Solve the variable 8=(5X-44)+7
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Solve for the variable -4T-20=19+9T
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Solve for the variable -8A-23=-5(A+5)
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Solve for the variable. Determine if there is one solution, infinitely many solutions, or no solution -20d-15=-5(4d+3)
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The radius of a bike tire was measured to be 29.1 cm. Find the circumference of the tire.(This distance that the bike must go to
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A pizza is in the shape of a circle. If the radius of the pizza is 25.5 cm, find the surface area of the pizza. Round your
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12 views
Some candles are in the shape of a right circular cylinder. For one such candle, the radius is 9.5 cm and the height is 28.3 cm.
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A car uses 2 litres of petrol for every 10km it travels. Find how much petrol it requires for a journey of 500km
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A rectangular tin measures 10cm by 20cm. What is it's capacity in litres
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Three young women worked hard to earn money yo start a business. Their goal was to raise a total of 2100. Each day, girl A
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NH4Cl;PbSO4;NaHCO3; and Cu(NO4)2
What would not readily dissolve in water
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5 views
NH4Cl;PbSO4;NaHCO3; and Cu(NO4)2
What would produce effervescence with dilute mineral acid
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NH4Cl;PbSO4;NaHCO3; and Cu(NO4)2
What would decompose on heating
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NH4Cl;PbSO4;NaHCO3; and Cu(NO4)2
What would dissolve in water to form an alkaline solution
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NH4Cl;PbSO4;NaHCO3; and Cu(NO4)2
What would sublime on heating
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3 views
